• MRO Products Mall/AE
  • MRO Products Mall/China
Countries:
  • United Arab Emirates
    • Saudi Arabia
    • Maroc
    • Egypt
    • Turkey
    • Vietnam
    • United States
  • About Us
  • Contact us
  • Categories
    • Machinery
      • Machinery
        • Engineering & Construction Machinery
        • Earth-moving Machinery
        • Metal & Metallurgy Machinery
        • Industry Laser Equipment
        • Woodworking Machinery
        • Packaging Machine
        Mechanical Parts & Fabrication Services
        • Pumps & Parts
        • Valves
        • Motor
        • Moulds
        • Pipe Fittings
        • Seals
    • Electrical Equipment & Electronic Components
      • Electrical Equipment & Supplies
        • Connectors & Terminals
        • Batteries
        • Professional Audio, Video & Lighting
        • Power Supplies
        • Generators
        • Electrical Plugs & Sockets
        Electronic Components & Supplies
        • Active Components
        • Optoelectronic Displays
        • Passive Components
        • Electronic Accessories & Supplies
        • Electronics Production Machinery
        • Electronic Signs
        Telecommunications
        • Communication Equipment
        • Telephones & Accessories
        • Antennas for Communications
    • Lights & Lighting
      • Lights & Lighting
        • LED Lighting
        • Lighting Accessories
        • Professional Lighting
        • Indoor Lighting
        • Lighting Bulbs & Tubes
        • Outdoor Lighting
    • Automobiles & Motorcycles,Transportation
      • Automobiles & Motorcycles
        • Vehicle Tools
        • Auto Electronics
        • Auto Engine
        • Automobiles
        • Vehicle Equipment
        • Auto Electrical System
        Transportation
        • Marine Supplies
        • Container
        • Bicycle
        • Electric Bicycle
        • Bus
        • Truck Parts
    • Construction
      • Construction & Real Estate
        • Doors & Windows
        • HVAC Systems & Parts
        • Bathroom
        • Tiles & Accessories
        • Metal Building Materials
        • Boards
        Minerals & Metallurgy
        • Metal Scrap
        • Magnetic Materials
        • Steel
        • Glass
        • Wire Mesh
        • Ingots
        Rubber & Plastics
        • Plastic Products
        • Plastic Raw Materials
        • Rubber Raw Materials
        • Rubber Products
        • Recycled Plastic
        • Recycled Rubber
    • Packaging & Printing
      • Packaging & Printing
        • Packaging Boxes
        • Bottles
        • Packaging Bags
        • Plastic Film
        • Adhesive Tape, Film, Paper
        • Paper & Paperboard
    • Security & Protection
      • Security & Protection
        • CCTV Products
        • Locks
        • Alarm
        • Safes
        • Access Control Systems & Products
        • Police & Military Supplies
    • Measurement & Analysis Instruments
      • Measurement & Analysis Instruments
        • Testing Equipment
        • Temperature Instruments
        • Weighing Scales
        • Optical Instruments
        • Electronic Measuring Instruments
        • Analyzers
    • Office & School Supplies
      • Furniture
        • Home Furniture
        • Outdoor Furniture
        • Commercial Furniture
        • Furniture Hardware
        • Baby Furniture
        • Furniture Parts
        Office & School Supplies
        • Office Paper
        • Printer Supplies
        • Office Equipment
        • Education Supplies
        • Office Binding Supplies
        • Pens
    • Hardware & Tools
      • Hardware
        • Fasteners
        • Chains
        • Springs
        • Clamps
        • Abrasive Tools
        • Hooks
        Tools
        • Power Tools
        • Material Handling Tools
        • Hand Tools
        • Garden Tools
        • Construction Tools
        • Tool Sets
Manufacturers
  • General Search
  • Sourcing Services
  • Manufacturers
Post Sourcing Request
  • For Buyer
    Sign inJoin free
  • For Supplier
    Sign inJoin free
Related Searches:
 Wireless Phone, IP Phone, VoIP Phone, Mini Mobile, Handset, Video Door Phone, smart phone, Phone Telephone, Bluetooth Phone, Phone System, Security Video, Wireless Video, Door Phone, Video Intercom, intercom with video, Bluetooth MP3, gsm phone, MP3 With Bluetooth, phone screen, Network Ip Camera  | More..

Home  >>   Products   >>  Telecommunications  >>  Telephones & Accessories  >>  Cordless Telephones >> phones wireless 43 Product(s) from Supplier(s)

  • General Search
  • Sourcing Services
  • Manufacturers
Join Facebook Group Join ECVV Group
Mini Order :  

Found 43 phones wireless Manufacturer, Manufactory, Factory,. Can be purchased directly from phones wireless Manufacturer, the price is lower. You can also view phones wireless products, phones wireless sourcing services Search caterpillar motor products
Magnetic Wireless Mobile Phone Charger & Holder for Car S06

Magnetic Wireless Mobile Phone Charger & Holder for Car S06

FOB Price: USD 3.00 - 4.00 /Piece

Min. Order: 10 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:car CD/MP3 player,car MP4 player, OEM car AV products,waterproof stereo
Add to Basket

Shenzhen Shi Shang Shi Technology Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
Wireless Phone Signal Jammer + 50 Meters 2.85

Wireless Phone Signal Jammer + 50 Meters 2.85

FOB Price: USD 220.00 - 230.00 /Piece

Min. Order: 10 Pieces

Employ Number:51 - 100 People
Contract Manufacturing:Manufacturer
Main Products:GSM Jammer, Wireless Video Jammer, Dual Band Repeater And Tri Band Repeater, WiFi Jammer, 3G /4G Jammer, DCS/PCS Repeater, DCS/PCS Jammer, WiFi Repeater
Add to Basket

Buyjammer_Com

Manufacturer

Contact Details China(Mainland)

Inquiry Now
Cheap Wireless HD Voice SIP WiFi Phone Support with 2 SIP Lines for VOIP PBX

Cheap Wireless HD Voice SIP WiFi Phone Support with 2 SIP Lines for VOIP PBX

FOB Price: USD 10.00 - 100.00 /Unit

Min. Order: 100 Units

Employ Number:51 - 100 People
Contract Manufacturing:Manufacturer
Main Products:E1 Card, FXO FXS Card, GSM Card, PRI Voice Recorder, IPPBX
Add to Basket

Shenzhen Bluenet Techonlogy Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
BlueNext New TWS Sport Noise Reduction True Wireless Universal in Ear Bluetooth Earphone

BlueNext New TWS Sport Noise Reduction True Wireless Universal in Ear Bluetooth Earphone

FOB Price: USD 12.40 /Piece

Min. Order: 100 Pieces

Employ Number:501 - 1000 People
Contract Manufacturing:Manufacturer
Main Products:Video Game, Apple Accessories
Add to Basket

FirstSing Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
BC200plus Wireless Headphone, Bluetooth Sports Earphone, Bone Conduction Headphone, Bluetooth V5.2, 8h Playtime

BC200plus Wireless Headphone, Bluetooth Sports Earphone, Bone Conduction Headphone, Bluetooth V5.2, 8h Playtime

FOB Price: USD 15.00 - 20.00 /Piece

Min. Order: 3000 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
Wireless Bluetooth Earphones, ANC+Dual Mic ENC, in-Ear Earbud

Wireless Bluetooth Earphones, ANC+Dual Mic ENC, in-Ear Earbud

FOB Price: USD 5.00 - 7.00 /Pair

Min. Order: 3000 Pairs

Employ Number:
Contract Manufacturing:
Main Products:
Add to Basket

Shenzhen Ji-Anc Technology Co., Ltd.

Contact Details China(Mainland)

Inquiry Now
New Air Conduction Fashion Sports Open Headphones with Long Range Bluetooth 5.3

New Air Conduction Fashion Sports Open Headphones with Long Range Bluetooth 5.3

FOB Price: USD 3.90 - 4.10 /Piece

Min. Order: 50 Pieces

Employ Number:
Contract Manufacturing:
Main Products:
Add to Basket

Shenzhen Woguo Technology Co., Ltd.

Contact Details China(Mainland)

Inquiry Now
Loudspeaker Parts: Top Plate, Electro Coat(Black), Low Carbon Steel, Customized

Loudspeaker Parts: Top Plate, Electro Coat(Black), Low Carbon Steel, Customized

FOB Price: USD 0.10 - 0.31 /Piece

Min. Order: 1000 Pieces

Employ Number:101 - 500 People
Contract Manufacturing:Manufacturer
Main Products:STB, Bolda1000, Bolda3000, IPTV
Add to Basket

Zeng Ben Industrial Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
Mini Music Box Bluetooth Stereo Headset Speaker With Fm Support TF U-disk C-89

Mini Music Box Bluetooth Stereo Headset Speaker With Fm Support TF U-disk C-89

Min. Order: 1 Piece

Employ Number:11 - 50 People
Contract Manufacturing:Manufacturer
Main Products:Soalr Garden Light, Solar Camping Light, Grow Lights, Night Lights, Stage Lights, LED Lights, LED Lamps, Car Lights
Add to Basket

Guang Zhou Jun Da Auto Parts Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
We Provide Portable Power Supplies for Mobile Phones, Computers, & Laptops. We Welcome Negotiations for Cooperation

We Provide Portable Power Supplies for Mobile Phones, Computers, & Laptops. We Welcome Negotiations for Cooperation

FOB Price: USD 11.50 - 12.00 /Piece

Min. Order: 1000 Pieces

Employ Number:
Contract Manufacturing:
Main Products:
Add to Basket

Shenzhen Lianhuasheng Electronic Technology Co., Ltd.

Contact Details China(Mainland)

Inquiry Now
Cheap Office Telephone Analogue Phone

Cheap Office Telephone Analogue Phone

FOB Price: USD 4.70 - 6.00 /Piece

Min. Order: 30 Pieces

Employ Number:
Contract Manufacturing:
Main Products:
Add to Basket

Shenzhen East Line Communication Tech Co., Ltd.

Contact Details China(Mainland)

Inquiry Now
Portable Wireless Bug Camera Audio Jammer

Portable Wireless Bug Camera Audio Jammer

FOB Price: USD 125.00 - 135.00 /Piece

Min. Order: 10 Pieces

Employ Number:51 - 100 People
Contract Manufacturing:Manufacturer
Main Products:GSM Jammer, Wireless Video Jammer, Dual Band Repeater And Tri Band Repeater, WiFi Jammer, 3G /4G Jammer, DCS/PCS Repeater, DCS/PCS Jammer, WiFi Repeater
Add to Basket

Buyjammer_Com

Manufacturer

Contact Details China(Mainland)

Inquiry Now
High Power Wireless Video and WIFI Jammer

High Power Wireless Video and WIFI Jammer

FOB Price: USD 95.00 - 105.00 /Piece

Min. Order: 10 Pieces

Employ Number:51 - 100 People
Contract Manufacturing:Manufacturer
Main Products:GSM Jammer, Wireless Video Jammer, Dual Band Repeater And Tri Band Repeater, WiFi Jammer, 3G /4G Jammer, DCS/PCS Repeater, DCS/PCS Jammer, WiFi Repeater
Add to Basket

Buyjammer_Com

Manufacturer

Contact Details China(Mainland)

Inquiry Now
Remote Control Wireless Phone Jammer + 25 Meters

Remote Control Wireless Phone Jammer + 25 Meters

FOB Price: USD 95.00 - 105.00 /Piece

Min. Order: 10 Pieces

Employ Number:51 - 100 People
Contract Manufacturing:Manufacturer
Main Products:GSM Jammer, Wireless Video Jammer, Dual Band Repeater And Tri Band Repeater, WiFi Jammer, 3G /4G Jammer, DCS/PCS Repeater, DCS/PCS Jammer, WiFi Repeater
Add to Basket

Buyjammer_Com

Manufacturer

Contact Details China(Mainland)

Inquiry Now
Phone No More - Mini Wireless Cellphone Signal Jammer (GSM,3G,DCS,CDMA)

Phone No More - Mini Wireless Cellphone Signal Jammer (GSM,3G,DCS,CDMA)

FOB Price: USD 51.00 - 61.00 /Piece

Min. Order: 10 Pieces

Employ Number:51 - 100 People
Contract Manufacturing:Manufacturer
Main Products:GSM Jammer, Wireless Video Jammer, Dual Band Repeater And Tri Band Repeater, WiFi Jammer, 3G /4G Jammer, DCS/PCS Repeater, DCS/PCS Jammer, WiFi Repeater
Add to Basket

Buyjammer_Com

Manufacturer

Contact Details China(Mainland)

Inquiry Now
BlueNext True Wireless Dual Ear Motion Digital Display Bluetooth Earphone

BlueNext True Wireless Dual Ear Motion Digital Display Bluetooth Earphone

FOB Price: USD 7.50 /Piece

Min. Order: 100 Pieces

Employ Number:501 - 1000 People
Contract Manufacturing:Manufacturer
Main Products:Video Game, Apple Accessories
Add to Basket

FirstSing Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
BlueNext Wireless TWS Stereo Mini Android Apple Suitable Bluetooth Earphone

BlueNext Wireless TWS Stereo Mini Android Apple Suitable Bluetooth Earphone

FOB Price: USD 8.80 /Piece

Min. Order: 100 Pieces

Employ Number:501 - 1000 People
Contract Manufacturing:Manufacturer
Main Products:Video Game, Apple Accessories
Add to Basket

FirstSing Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
BlueNext Wireless in Ear ANC ENC Noise Reduction Esports Game Bluetooth Earphone

BlueNext Wireless in Ear ANC ENC Noise Reduction Esports Game Bluetooth Earphone

FOB Price: USD 11.80 /Piece

Min. Order: 100 Pieces

Employ Number:501 - 1000 People
Contract Manufacturing:Manufacturer
Main Products:Video Game, Apple Accessories
Add to Basket

FirstSing Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
Wireless Bluetooth Earphones, ANC+Dual Mic ENC, in-Ear TWS

Wireless Bluetooth Earphones, ANC+Dual Mic ENC, in-Ear TWS

FOB Price: USD 4.00 - 6.00 /Pair

Min. Order: 3000 Pairs

Employ Number:
Contract Manufacturing:
Main Products:
Add to Basket

Shenzhen Ji-Anc Technology Co., Ltd.

Contact Details China(Mainland)

Inquiry Now
Wireless Bluetooth Earphones, Neckband, ANC+Dual Mic ENC

Wireless Bluetooth Earphones, Neckband, ANC+Dual Mic ENC

FOB Price: USD 4.00 - 7.00 /Piece

Min. Order: 3000 Pieces

Employ Number:
Contract Manufacturing:
Main Products:
Add to Basket

Shenzhen Ji-Anc Technology Co., Ltd.

Contact Details China(Mainland)

Inquiry Now
Wireless Headphones, IPX6 Sweat Resistant Bone Conduction Headset for Running, Outdoor Sports

Wireless Headphones, IPX6 Sweat Resistant Bone Conduction Headset for Running, Outdoor Sports

FOB Price: USD 20.00 - 25.00 /Piece

Min. Order: 500 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
Bone Conduction Headphones Bluetooth V5.0, Sports Open Ear Wireless Headset Sweatproof w/Mic - for Cycling

Bone Conduction Headphones Bluetooth V5.0, Sports Open Ear Wireless Headset Sweatproof w/Mic - for Cycling

FOB Price: USD 2.00 - 3.00 /Piece

Min. Order: 1000 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
Winto 2024 New Arrival BC400 Bone Conduction Headset, 8H-10H Playtime, with Switchable Light

Winto 2024 New Arrival BC400 Bone Conduction Headset, 8H-10H Playtime, with Switchable Light

FOB Price: USD 10.00 - 11.00 /Piece

Min. Order: 2000 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
BC200 Fashion Bone Conduction Headphones, Bluetooth Sport Earphone, Education Headphone, Sports Earphone

BC200 Fashion Bone Conduction Headphones, Bluetooth Sport Earphone, Education Headphone, Sports Earphone

FOB Price: USD 15.00 - 20.00 /Piece

Min. Order: 3000 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
BC200plus Bone Conduction Headphone with Breathing LED, Reflective Stripe, Fashion Man Sports Headphone, Open Ear

BC200plus Bone Conduction Headphone with Breathing LED, Reflective Stripe, Fashion Man Sports Headphone, Open Ear

FOB Price: USD 15.00 - 20.00 /Piece

Min. Order: 3000 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
BlueNext Digital Display in Ear ENC Call Noise Reduction Bluetooth Earphone

BlueNext Digital Display in Ear ENC Call Noise Reduction Bluetooth Earphone

FOB Price: USD 8.50 /Piece

Min. Order: 100 Pieces

Employ Number:501 - 1000 People
Contract Manufacturing:Manufacturer
Main Products:Video Game, Apple Accessories
Add to Basket

FirstSing Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
Loudspeaker Parts: Top Plate Clear Zinc Plating, Low Carbon Steel, Customized

Loudspeaker Parts: Top Plate Clear Zinc Plating, Low Carbon Steel, Customized

FOB Price: USD 0.30 - 0.43 /Piece

Min. Order: 1000 Pieces

Employ Number:101 - 500 People
Contract Manufacturing:Manufacturer
Main Products:STB, Bolda1000, Bolda3000, IPTV
Add to Basket

Zeng Ben Industrial Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
2016 NEW Multifunction Wifi Bluetooth Speaker Remote camera monitor V9

2016 NEW Multifunction Wifi Bluetooth Speaker Remote camera monitor V9

Min. Order: 1 Piece

Employ Number:11 - 50 People
Contract Manufacturing:Manufacturer
Main Products:Soalr Garden Light, Solar Camping Light, Grow Lights, Night Lights, Stage Lights, LED Lights, LED Lamps, Car Lights
Add to Basket

Guang Zhou Jun Da Auto Parts Co., Ltd.

Manufacturer

Contact Details China(Mainland)

Inquiry Now
IPX6 Waterproof Bone Conduction Headphone, Only 26g, Qualcomm Chip, Open Ear Design, Sports Headphone

IPX6 Waterproof Bone Conduction Headphone, Only 26g, Qualcomm Chip, Open Ear Design, Sports Headphone

FOB Price: USD 20.00 - 25.00 /Piece

Min. Order: 500 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
BC200 IPX7 Waterproof Premium Quality Bone Conduction Headphone, Magnetic Charging, Hot Sale In 2022 Open Ear Headset

BC200 IPX7 Waterproof Premium Quality Bone Conduction Headphone, Magnetic Charging, Hot Sale In 2022 Open Ear Headset

FOB Price: USD 15.00 - 20.00 /Piece

Min. Order: 3000 Pieces

Employ Number:
Contract Manufacturing:Manufacturer
Main Products:wireless earbuds, bluetooth earbuds, bluetooth headphonne, bluetooth headset, wireless earphone, bone conduction headphone, tws headphone, true wireless stereo
Add to Basket

Shenzhen Winto Technology Co., Ltd.

Sourcing Services

Contact Details China(Mainland)

Inquiry Now
  • 1
  • 2
  • Next >
 
Did you find what you were looking for ?
Yes No

What problems did you have with the search experience ?

I can't filter search results effectively.
Search results do not match search terms.
Something is broken.
I don't understand the meaning of Manufacturer search and Sourcing Service search

Do you think the two kinds of search, manufacturer and Sourcing Service,can help you find the right supplier faster

Please explain your problem here:

Message

Thank you !
More
Customer who searched phones wireless also searched:
hand phone Mini Wireless Phone Network Phone Wireless Mobile Phone Free Mobile Phone
Home Phone Multi Phone Phone Wire Call Phone Phone Keypad
ID Phone Mp3 Mobile Mp3 Phone Wireless Megapixel Camera MP4 Mobile Phone
video phones DECT Phone IP Phone Camera wireless ip phone Video Phone
mobile phone with mp3 Outdoor Phone Phone Station SIP Phone Video Wifi Phone
Top Suppliers for phones wireless

  • Want the latest & hottest Products Info. for "phones wireless"?

    Product Alert

    Subscribe to your interested Product Alert and you will get emails with the lastest and hottest Product Info. periodically.It's free!

    Subscribe>>

Category
  • Video Door Phone
  • Corded Telephones
  • Speakers
  • Earphones & Headphones
  • Other Security & Protection Products
  • CCTV Camera
  • Chargers
  • Alarm
  • VoIP Products
  • Cordless Telephones
  • More..
Product Attributes
You may like
  • hand phone
  • Mini Wireless Phone
  • Network Phone
  • Wireless Mobile Phone
  • Free Mobile Phone
  • Home Phone
  • Multi Phone
  • Phone Wire
  • Call Phone
  • Phone Keypad
  • ID Phone
  • Mp3 Mobile
  • Mp3 Phone
  • Wireless Megapixel Camera
  • MP4 Mobile Phone
Connect with us: Facebook Twitter Linkedin

B2B Marketplace: Hot Products - Products Directory - Hot Catalogs - M2C Shopping

Index: Popular Products - 0 - 9 - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

About ECVV.com:About Us - Our Services - Creditpass - Export to China - Links - Help - Contact Us - Privacy - Terms of Use - Site Map

ECVV.com   Globalproducts.ecvv.com   MRO Products Mall   MRO Products Mall/China   12400.cn

Copyright © 2005-2025 ecvv.com All Rights Reserved.

Your use of this website constitutes acknowledgement and acceptance of our Terms & Conditions.