1. Promotional mini clip mp3 2.Support mp3, wma music format 3.U-disk function 4.Built-in li-battery, play 5-8 hours 5.Moq:100 pieces 6. The mp3 player has a fast download speed and stylish design. 7. With screen. 8. Built-in powerful rechargeable li-battery. 9. Chargeing time:1-2 hour, can play 5-8 hours after full charging. 10. Usb2.0 interface, u-disk function 11. No driver needed under windows me, 2000, xp or above (except win98) 12. Accessories including: earphone, usb cable, user¡¯s manual, standard packing box, charger Packaging details: Crystal packing with earphone, usb cable, user guide Delivery detail: 1~2 work days