■Product model : BE53
■Product color : black
■Product size : 195*182*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
