Specifcation :
- Wireless trsnsmission rang : up to 10meter
- Spesker drive Size : 3inchX2
- Output power : 5WX2
- Frequency response : 100Hz-20KHz
- Signal to noise rstio : >=85dB
- USB charging : DC5V
- Battery capacity : 1200mAh
- Max memory support(US
