1. 110V ~ 240V input voltage can be used, stable current and fast charging output. 2. PC flame-retardant and fire-retardant materials, integrated design without joints, beautiful and elegant appearance. 3. The internal integrated intelligent constant current circuit has over-voltage / over-current / over-charge protection functions, as well as strong stability and safety charging capabilities. It can not only charge mobile devices, but also prevent your mobile devices from Used damage.