USB Drive Duplicators features: This USB cassette music player is made of premium material, which can withstand long-lasting use. Features the plastic material, which has high durability, not easy to deform. Fine workmanshlp, ensures practicality. Features-Color:Silver-Material:plastic-Size:11.50X8.00X3.50cm/4.52X3.14X1.38in Interface: USB 2.0 Recording Format: MP3 Power Supply: 2 x AA Battery (not included), or USB port Power selection Consumed Power: 400mw It can be used as an ordinary cassette player, and can also convert tapes and other external audio into MP3 format There are two modes of automatic segmentation and manual segmentation. The default is manual segmentation: one MP3 file on one tape, long press the down button, the indicator light changes from green to blue, and enters the automatic segmentation mode: one MP3 file per song Convert music or listening comprehension on old tapes into MP3. Don't worry, never lose again Insert your tape, and press the play key to start listening to the old music It is manufactured with professional technology to ensure the high-quality of the product and can work for a long time.