Dimensions_45*45*48mmNet Weight.....53.6gSpeaker. Parameter.4-3W.Frequency Response...20Hz-20KHz.Battery Capacity._ . . . . 400mAh.Battery Charging Voltage..DC.5V/500mAPlayback time._ 2-3 hourBattery Charge Time...1hourWireless pairing name.. littleFunTWS usage method_ _ _Double-click the power buttonChinese-english Switch...Press the open key five times*Android *iOS*BT 5.0