Speaker: noneOutput power: 0.7V-18mW/32 ohm earphoneFrequency response: 100HZ-18KHZ (+/-3dB)Disc : DVD/CD/MP3/WMA Power supply : DC-5V-2AUSB power supplyAudio interface: 3.5mm stereo plugfor Bluetooth-compatible version: nonefor -compatible interface: yesUSB function: yesPlay mode: DVD/USB playbackRemote control: yesKey operation: yesTransmission distance: 5m (10m in a straight line without obstacles)Signal-to-noise : 65dbColour:blackMaterial:plasticSize:15.1X15.1X28.5CMPackage Contents:1 x DVD Player1 x Remote Control1 x -compatible Cable1 x AV Cablenote: without power supplyOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.