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Bluetooth standard: V2.1+EDR, compatible with V2.0, V1.1, V1.2
Transmission class 2
Supported profiles headset,handsfree
Frequency range: 2.4GHz-2.48GHz
Transmission distance:10M
Operating current: about 35mA
Standby current: about 2mA
Charging time: 2-3 hours
Talking time: 6-8hours
Standby time: 200 hours
Operating voltage:3.6V
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