Genius introduces its new innovative Energy Mouse, that combines a power bank function with a mouse. It's perfect for charging the Smartphone anytime and anywhere. The energy mouse combines a 1200 dpi mouse with a 2700 mAh power bank feature, bringing the best of both worlds. Embedded in the mouse is a Li-polymer battery for excellent charge control and four LED Lights to indicate battery capacity as well as charging status. A special battery reserve feature is dedicated just for mouse operation so there is no need to worry about the power bank using up the battery. The bidirectional 2.4GHz anti-interference technology ensures a reliable working distance of up to 10 meters. One can enjoy responsive cursor control and effortless scrolling.