U2

Bluetooth version:Bluetooth V4.1 +EDR

Driver impedance:30Ω

Frequency range:20~20 kHz

Sensitivity:98 dB SPL at 1 mW /1 kHz

Music playback time:8 hours

Wireless Range: >10m( Free space)

Stanby time:300 hours

Charging voltage:DC 7.3 V

Battery capacity:3.7V 100mAh

Charging time:1.5-2.0 hours

 

 

 

 

 

 

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