PRODUCTS
Frequency response ： 200HZ - 15KHz SNR： >75dBA@1w Working voltage：3.7V ~ 4.2V Working current：100mA Lithium battery capacity：1100mAh Continuous working Time ： Different types of songs will affect playback time Bluetooth or line in : Vol. 100% : 4.8H Vol. 50% : 7.5H Vol. 30% : 9H