USB Wooden Speaker / Mini Speaker for Digital Products Features: 1.Portable and small design 2. Botton: Power on/off, prev, next, play, pause, volume+/- 3. Built-in MP3 player, can play MP3 files in SD/MMC card, can also read USB flash drive. 4. Can connect all MIDI devices with 3.5 auido interface to play music, like the digital products as MP3,MP4, music mobile, laptop, Ipod 5. With remote controller and function of mode switching 6. Built-in Lithium Battery 7. LED indicator light 8. 2 power supply models: Built-in Lithium battery, connect to PC by USB port, DC adaptor. Specification: 1. Material: wooden 2. Speaker power: 2W*2 3. Speaker Spec.: 50mm 4ohms 4. Frequency Response: 150-18Khz 5. Battery capaticy: 800mAh Accessories: 1. Adapter substitute of Nokia Mobile and Sony Ericsson mobile 2. 2.5 and 3.5 audio interface 3. USB data line 4. remote controller 5. audio cable FM Radio (Option)