LG WCP-700 Portable Power Mat Home and Office Charging Pad Wire-free charging! Simply place your phone, equipped with a wireless charging battery cover (sold separately) down on the pad to begin wire-free charging! Industry leading wireless charging efficiency Clutter free charging pad fills well into any room of the house or office without the need for messy wires Eliminates the need for a bulky case or external connection on select phones Audio Charging Indicator: When your phone is placed on the pad correctly, an audible beep indicates that the device is charging