Earphone bluetooth ,mono heads,Bluetooth V2.1+EDR class 2 Headset&Handsfree&A2DP bluetooth mono headsets

Bluetooth V2.1+EDR
1.Headset&Handsfree&A2DP
2.full capacity and 100% original chips
3.Standby-time more than 200 hours
4.
Bluetooth Core: V2.1+EDR
Bluetooth Program:ISSC+Class2
Standby time: ≥ 100hours
Talk time: 6hours
Charging Time: 2-3 hour
Standby Current: 0.7-1mA
Batery Capacity: 48mA/h
Wireless Frequency Range: 2.4G
Transmission Power: 0 dbm
Transmission Distance: 10M
Environment Temperature: -20/+60 °C
Operating Voltage:3.7V