Features:-2USB charging port, you can simultaneously charge for 2 digital devices, built-in smart charge recognition chips, the market can be the most rapid charge of the product.-During the charging process, the motherboard can play the outout cover-current, over-voltage protection, constant voltage constant current,anti-electromagnetic interference.-Fast charge USB and quick charge 3.0 agreement with the mobile phone and other devices to about 1% per minute charge to the power of about 80% into the trickle charge state.