Convert your old vinyl record to MP3 via USB or Micro-SD Card, no computer needed. Convert all of the vinyl songs to each MP3 file automatically, just click REC button. Play the recorded files on the turntable directly. Play both 33 and 45 PRM LP records. With internal speaker. Also includes 3.5mm audio port connection for additional speaker. Power switch capable of adjusting sperker volume. Host interface: USB 2.0 Audio output: Internal speaker, Line OUT (3.5mm stereo jack) User interface: Power ON or OFF, AA or DC power switch, 33 or 45 PRM switch, REC and other buttons, Arm, LED indicator Storage device: USB flash drive, Micro-SD card, max 32GB (NOT INCLUDE) Recording information: .mp3, 128Kbps Power supply: 4 x AA BATTERIES, or DC 5V power supply (battery not include) : 33, 45 PRM Colour: black Material: ABS Size: 30x24x8cm Package Contents: 1 x Gramophone small movement Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.