Antoble Qi Enabled Wireless Charger Inductive Charging Pad Station for All Qi Standard Compatible Devices Including Samsung, iPhone, Nokia, Google, Nexus, LG, HTC and Other Qi-Enabled Smartphones and Tablets No Included Qi Receivers (black) Plug and Play Qi Standard. Easy to use - simply drop phone to start charging. Anti-slip grip to protect the devices from scratches. Universal compatibility for all QI enabled wireless charging devices or devices with QI receiver. Smart IC energy high efficiency management system design maximizes the output as required and minimizes energy consumption when idle with LEDs charging status display. "Trickle Charge" algorithm to maintain high level of power after fully charged. Power Source: Any charger 500-2100mA with USB port with Micro USB cable, or even plug it directly into usb port of the computer or TV or even power banks. Qi standard receiver on the device being charged is required (built-in or add-on purchased separately) for wireless Qi charging to work