Bluetooth specification: V4.0 + EDR
Support Protocol: A2DP, AVRCP, Handsfree, Headset
Transmission range: 10 meters
Transmission frequency: 2.4GHz
Transmission power: class 2
Suitable for: all kinds of Bluetooth cell phone
Talk Time: 450 minutes
Standby time:130hours(ios system phone Bluetooth power) Battery performance: 55mAh, 300 weeks of charge and discharge capacity > 90%
CSR-8610