... ultra-thin cable 4. plug optional USB Retractable cable, P/N: SCHR-3ApplicationThis cable fit for mobile phone, iphone, ipad, ipod, Laptop ... , GPS, PDA, P-DVD, MP3/4, PSP, Digital Camera, etc.FeatureSynchronize and charge digital products ... ends of the retractable cable to elongate the cableConnect the USB end to your PC, and then connect the I/O ...