usb charger for iphone 3G 3GS 4G 1. best quality 2. competitive price 3. new arrival model 4. short circuit protection 5. made by ourselves 6. fast delivery 7. sample available for test 8. professional and gold supplier 9.input voltage:AC 100-240v 50/60hz 10.output voltage:AC 90-264v 47/63hz
