Charge and sync your iphone ipod or ipad at greater distances up to 3m with no loss of charge time even while inside a protective case the usb2adc3m apple 30 pin dock connector to usb cable for iphone ipod and ipad 3m connects your ios enabled mobile digital devices to your computer and features a uniquely constructed stepped apple dock connector designed by startechcom unlike a regular connector the exclusive stepped connector plugs into your iphone ipod or ipad even when inside