Charging Input: DC5V 1000mA<br />Charging time: 2.5-4 hours<br />Speaker Specifications: ?40 * 18mm (power: 4┯3W)<br />Frequency range: 70Hz-20KHz<br />Distortion: less than 0.5%<br />Whole SNR: ◎86dB Main Material: ABS / Silicone<br />Size: 86mm * 113mm<