Hot selling subwoofer best price active 2.1 high power multimedia speaker with mic input

*BLUETOOTH VERSION:CSR 4.0
*WORKING RANGE: 10 meters
*SPEAKER DRIVER:5.25"*1+3"*2
*SUPPORT USB/SD/FM FUNCTION
*READ MP3 FORMAT
*VOLUME /TREMBLE/BASS CONTROL

*FREQUENCY RESPONSE:65~120Hz,120~20KHz
*FM FREQUENCY:80-108MHZ
*POWERFUL AMPLIFIER CIRCUIT
*HI-FI SURROUND SOUND
*COLOR:BLACK+SILIVER
*VOLTAGE: 220-240V ~ 50/60Hz