Speaker Size :40mm Material :PET Impedance :32Ω Power :10mW Chipset :jL6925 Bluetooth version :5.0 Frequency response :20Hz-20kHz Working distance :10M Audio channel :Dual channel Output power (Max) :156mA Distortion :Less Than 8% Battery capacity :3.7/300MA Charing time :2.5h Charging current :500mA Chargingvoltage :5v Music play time :8h Standby time :10h |