Bluetooth Earphone, Mobile Phone Bluetooth Headsets

Bluetooth version: Bluetooth V2.0 version
Operating frequency: 2.4GHz-2.4835GHz
Transmission power: Class2 (max 4dBm)
Receiver sensitivity:-80dBm
Communication distance: 10 m in
Standby Time: not less than 150 hours
Continuous talk time: more than 10 hours
MP3 Audio format: MP3
MP3 Stereo: CD-level quality
External expansion card: TF Card (Max 4G)
USB Interface: USB2.0USB
Frequency response: 20Hz-20KHz
FM receiving frequency range: 87MHz-108MHz
Battery: Rechargeable 300mAh Lithium battery
Continuous playback time: not less than 6 hours
Charging input voltage: DC5V