Mini Bluetooth Headset (BTK-A20)

Bluetooth specifications: V2.0
Wireless hands free control for mobile phones
Various ID designs available
Wearable on either ear with optional adjustable ear loop
Up to 10 hours of talk time and up to 200 hours (more than eight days) standby
Dimensions (L x W x T): 42 x 20 x 11.5mm
Battery power: 3.7V/110mAh Li-polymer
Connection: point-to-point
Security: encrypted link
Frequency range: 2.4 to 2.48GHz
Lightweight (only 9g) and comfortable to wear for long periods
Bluetooth is a trademark owned by Bluetooth SIG, Inc.