MT-21 ,Mini Speaker with light . MOQ:3000pcs . MT-21 ,Mini Speaker with light . 1.Made for iPod,MP3,PC & Mobile,PDA,MDA…2. Battery:6V(4XAAA)3. Output Power : 2W4. Frequency Response:60Hz - 20kHz,5. 7colo light music6. Built-in rechargeable battery Unit Size:6.5*7*7 CMQTY: 100 PCSG.W.: 16 KGSN.W.: 15 KGSMEAS:42*42*35 CM MOQ:3000pcs