Solution :

Jerry

Bluetooth version :

Bluetooth V4.2

Transmission distance :

10 m

Use time :

About 4 hours

Standby time :

300 hours

Battery capacity :

200 mAh

Battery type :

Rechargeable lithium battery

Charging time :

1 hour

Horn :

40mm

Sensitivity :

115dB s.p.l at 1kHz

Impedance :

32 Ω

Frequency response :

20Hz-20KHz

Rated power :

15mW × 2

Music playing time :

4 hours