1.you can print logo 2.min speaker sport tf usb fm earphone 3.color pink red silver green ... your MP3, MP4, CD Phone, GPS, PSP, mobile phone, notebook computer, U-disk and SD card/TF card, etc. Metallic, shell ... and fashionable, out of ordinary. Several power supple manners battery, computer USB adaptor DC-5V allow yu to enjoy the charm ...