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Technical Pro 4000 watts Professional Bluetooth Home Audio Receiver with Built-in DVD Player, Dual 1/4'' Mic and USB SD Inputs for Karaoke.5-2. wma files from USB drives and SD CardsTrack number & time will display for USB / SD Card inputsRepeat playback on USB / SD Card inputsBluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth deviceFeatures Bluetooth v3. Technical Pro 4000 watts Professional Bluetooth Home Audio Receiver with Built-in DVD Player, Dual 1/4'' Mic and USB SD Inputs for Karaoke Professional Bluetooth Home Audio Receiver with Built-in DVD Player, Dual 1/4'' Mic and USB SD Inputs, Volume and Echo Controls, 4000 watts, Remote Included, for Karaoke, Party's and MoreFeatures: 4, 000 watts peak powerInputs: RCA, USB, SD Card, Bluetooth, OpticalAudio outputs: Optical, AUXVideo outputs: HDMI, RCA, YUV, RGBMain Speaker Outputs: Bare speaker wire (2 speakers)LED effects outputs: 2 (DC 5.