Unlike others, this lead is completely compatable with your iPhone 4 or 4S. This iPhone high quality USB charger and data cable (1m) ensures you never run out of power again, simply plug and play. Plug your device into the charger and use the USB connector to instantly charge or transfer data from your phone via any USB port on your laptop, desktop or Mac. This USB phone charger and data lead offers a compact and easy solution to charging your phone and transferring data from your phone to your PC/ Laptop Easy to use. Compact. Charge or transfer data from your phone via any USB port.