With this turntable to MP3 converter, you can easily transfer your vinyl record to MP3 format. so can play on your computer, laptop, mobile phone, etc. It can directly convert to a USB flash disk, no computer is required. Convert your old vinyl record to MP3 to USB disk or TF card, no computer is required Convert all vinyl songs to MP3 file automatically, just click REC button Playback the recorded files on turntable directly Play both 33 and 45 PRM LP record Powered by AA batteries or USB power supply With built-in speaker. Also includes 3.5mm audio port for extra speaker connection Speaker volume can be adjusted Specification: Interface: USB 2.0 Audio Output: built-in speaker, line out (3.5mm stereo jack) User Interface: Power ON/OFF switch, AA/DC power switch, 33/45 PRM switch, REC button, LED indicator Storage Device: USB flash drive, TF card, max 32GB (not included) Recording Information: .mp3, 128Kbps Power Supply: 4 x AA batteries or DC 5V power (battery not included) LP Support: 33/45 PRM Dimension: 292(L) x 122(W) x 77(H) mm Weight: 638g