Product details：

* Power Rating:  3W * Input Voltage: DV 5V 1000mA * Frequency Range:90HZ-20K Hz * S/N Ratio:80dB * Bluetooth verion: 4.0 * Charging Time:2-3 Hours * Working Time（full charged）:5-6 Hours * Battery: 3.7V/ 800mAH * Material: Silicone/ABS * Size: 98*98(Diameter)X123mm