IOGEAR Kaliber Gaming Chimera M2 - Wired/Wireless Dual Mode Mouse, GME652UR 7-button high resolution wired/wireless mouse with 3 programmable buttons Wired mode for super high-resolution gaming use. Wireless mode for convenient office use Charging dock features a 2.4GHz wireless receiver - up to 33 ft. Easily switch between wireless and wired operation djust DPI on-the-fly: 1000/1500/2000 dpi - gaming mode. 1000/1200/1600 dpi - office mode Up to 1000 RPS report rate in gaming mode Dual sensor design uses two different types for the best of both worlds. High-efficiency IR sensor (desktop) High-resolution optical sensor (gaming) Omron switches with 10-million click rating 1100mAh Lithium Polymer recharging battery. Sleep mode with intelligent wake feature