This 2 in 1 charging cable can be used for charging a smartphone or tablet but also as a lanyard for work.Simply press the button on either side of the clip to release the charging cable.Lanyard features a swivel lobster clip so you can easily add keys or your badge.The duo connector is compatible with Android and Apple versions on one side and micro USB devices on the flip side.2 kinds of ports in one cord for charging ,just change side to match different device.