... usb mini speaker 2012newest LED mini speaker with wireless Bluetooth stereo,portable mini speaker,mobile mini speaker,usb mini ... strong anti-interference ability2. Bluetooth stereo, excellent quality, bass shock3. 3.10 meters wireless distance, penetration ability.4. Suitable ... you phone seamless dockingC. Mini speaker3.5 stereo audio interfaces, can insert MP3, MP4, computer, mobile phone and external ...