Product name: wood computer speaker box support SD/MMC,USB disk Specifications: Built-large-capacity lithium batteries Support USB,SD,MMC card mp3 player songs LED lights instructions Support one,the next song,adjust volume,play/pause;Mode switching. Three power supply:Lithium own power supply,computer USB power supply,DC power supply Remote control functions Other information: 1. Stable raw material with high quality 2. Fast shipment 3.We do supply best services to all the customers. The more you order , the better price you will get . 4. If you have problem with the price or other problems , please contact with our sales directly at any time Packing by Color box Product size:150*60*66mm Color box size:190*80*75mm Carton size:40*42*39.5CM Caron quantity:50PCS