Product model : BE53
Product color : black
Product size : 195 x 182 x 76mm
Bluetooth version:V5.3
Speaker size:40MM
Speaker impedance:32Ω
Frequency range:20Hz-20KHz
Sensitivity:105dB @ 1KHz
Battery capacity:500mAh
Charging time:Approx. 2.5hrs
Headphone playback time Noise cancellation off:Approx. 55hrs
Headphone playback time Noise cancellation on : Approx. 48 hours
Connection distance; 10 metres