通用串行总线(USB)的工作就是打耳机

USB Headphone Features: 1st: Adjustable headband 2nd: Perfect timbre and good workmanship 3rd: Beautiful packing and headphone 4th: Wearing comfortable 5th: Very fashion design 6th: Can print the customized color and design on both sides headphone Specifications: ♦ Play high quality MP3 from SD/MMC cards ♦ Hi-Fi sound ♦ Rechargeable lithium battery inside ♦ Folding headphone ♦ Blue backlight with LCD track information ♦ Battery loader from USB included ♦ USB input port write files of MMC/SD card ♦ Memory function ♦ EQ withSix sound function can be choosable ♦ Wired headphone ♦ A-B Repeated function ♦ SNR > 90 db ♦ Speakers: 2*10w ♦Working time full of power 15 hours ♦ 90Support Windows98/win2000/winXP/winVista ♦ Support 128MB-8GB capacity ♦ Option: FM radio ♦ By CE,Rohs approved ♦ Accessories: Manual,Audio Recording Line, USB cable, Adapter Packings: 1: Color box , Size: 14.8x8.6x12.2 cm 2: Carton size: 63x30.9x45.3cm 3: 50 pcs / ctn 4: N.W: 18kgs G.W: 19kgs Detailed Info: 1.Lead time for Sample; anytime 2.Delivery time ; Will make and produce it in time as per customer's request 3.Loading port: Shenzhen, China OEM Details: 1. Quantity : no less than 3,000 pcs total 2. Can print customized color and design on headphone and packing