The 30 Pin connector end of this cable has dual sliding lock clips that when inserted in to the charge port of your Apple product guarantees a stronger connection and that your cable is less likely to slip out of your charge port. This USB 2.0 cable connects your iPod, iPhone, or iPad - directly or through a Dock - to your computer's USB port for efficient syncing and charging or to the Apple USB Power Adapter for convenient charging from a wall outlet. This calbe also allows access to all controls and the dock connector. It has a form-fitting construction and allows charging while your iPod, iPhone or iPad is in most cases. This cable has a thick outer rubber coating surrounding and protecting the inner wires. In addition, this product has a strong metal structure around clip locking 30 pin and usb connector parts which keep both connector ends safe from minor amounts of pressure such as being pinched inward as well as other environment stresses.