Features: Fits for all types of USB power adapter and USB cable. [APP Remote Control] Turn on/off the light with your smartphone from miles away, making ordinary USB devices into smart. [Voice Control] Turn off the lamp without needing to get out of bed, simply do with your voice. [Timing Schedule] Automatically lights up on the opening time and lights off on the closing time every day, no need to control manually; automatically turn on/off connected devices at a certain time. [Overcharge Protection] Schedule a time for devices to ensure stop charging automatically after charged to 100%, keeping devices safe and avoid aging faster. [Premium Quality] Adopts PC V0 shell featuring heat resistant and flame-retardant which ensures no any damage for your USB devices during use. [Smart App] Share with your family, convenience to control together; check the status of connected USB devices on eWeLink APP; make a group of SONOFF devices triggered. [LAN Control] Manage USB devices in no Wi-Fi network condition.