Shell Painting(外壳表面喷漆):PU PAINT spray
Speaker(喇叭):MAGNETISM PREVENT(4Ω)36MM×1.5W
Loudspeaker output(喇叭功率):2.2W
Rating power:1.85W
Frequency response(频率):100HZ-20KHZ
Signal-to-Noise:≥85db
Distortion(失真):≤0.5%
Polymer battery capacity(聚合物电池容量):300MAH
Polymer battery charging Voltage(充电电压):4.2V±0.05V
Battery Charge time(电池充电时间):DC 5V 200MA—300MA around 2.5 hours; USB 4 hours
Battery Discharge time(电池工作时间):MP3 volume in 31mv,about 2 hours;MP3 volume in 20mv,around 8 hours
(in the baise of volume level、music rhythm ect long or short of time