Chipset:AC6901                         

Bluetooth version 4.2                                                       

Bluetooth distance: over 10m                     

RMS:20W

Frequency response:90Hz-18KHz

S/N ratio:80dB

Power:USB 5V

Unit speaker: 6.5¡±4¦¸+1.5"Treble

Battery:3.7V/2000MAH  FM radio: 87.0-108.0 MHz                          

Size: 278*160*365mm