1. Graphical interface operation, corresponding text display, easy to use. 2. Built-in microphone, high-fidelity recording. 3. Support USB2.0 high-speed transmission, up to 1000K /S. 10. Convenient function, real digital repeat device, can repeat and follow up, seven kinds of tone equalizer, natural, rock, pop, classical, soft, jazz, bass. 4. Shutdown memory function. 5. With breakpoint resume function. Compatible for Windows98/ME/2000/XP Among them, 2000/XP does not need driver, plug and play, built-in lithium battery, no need to buy battery, lithium battery can be reused more than 1000 times. Equipped with power protection, more power saving, charging Protection, automatic stop when full, more power saving. Normal mode/single loop/directory play/directory loop/all loop/segment loop/random play/introduction play Supports multiple playback modes of MP4 players. Product Name: Mp3 Player Interface: USB 2.0 Battery type: special lithium battery Play time: 8 hours Menu language: English by default, adjustable in 5 national languages Horn: with horn TF card: support memory card/sd card Additional functions: e-book function/picture browsing/FM radio function/recording function Colour: Black material: metal Package Contents: 1 x Mp3 Player 1 x Headphone 1 x USB Cable Only the above package content, other products are not included. Note: Light 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.