Colorful Bluetooth headset

Key features and functions:
1.Bluetooth V2.0+EDR,CSR BC4 chip inside
2.Supports profile: headset and handsfree
3.Functions: Receiving call,Transferring,End call,Redial last call,Reject call,Voice dialing (last 2 functions need mobile phone to support)
4.Standby time up to 120 hours,talking time up to 3.5 hours
5.Various color available,shine surface
Technique parameters:
1.Bluetooth criterion: V2.0+EDR
2.RF output power: -6~+4dBm (Class 2)
3.Receiver sensitivity: -45dBm max
4.Effective distance: 10m without obstacle
5.Battery: Li-ion battery
6.Talking time: 3.5 hours
7.Standby time: 120 hours
8.Charging time: 2 hours max
9.Power supply: 5V DC,100~240V AC adapter
10.Certificate: CE,RoHS