YR136

1.Output Power:5W
2.Frequency Response:90Hz-20KHz
3.S/N Ratio:80Db
4.Power DC:5V Adapter
5.Impedance:4ohm
6.FM 87.5-108MHZ
7.Wireless: 5.0
8.Battery Capacity: 1200*2 mAh
9.Charging time: 2-3 hours
10.Use time: about 8-10 hours(related to the volume and environmental temperature)