Ergonomic right-handed mouse is ultra-lightweight for epic speed, comfort, and control Five memory profiles let you save your settings for easy operation Focus Pro 30K Optical Sensor delivers 30000 DPI for impressive tracking performance on a variety of surfaces, including glass 90-million click lifecycle ensures reliable lifetime performance with no double-clicking issues or debounce delay HyperSpeed wireless technology allows for ultra-fast wireless connection to compatible devices via 2.4Ghz Wi-Fi Rechargeable battery offers up to 90 hours of playtime on one charge