Feature:1. 2.4G wireless transmission technology, 10M wireless receiving distance.2. Three‑speed DPI adjustment design, quiet and elegant office wireless mouse.3. Gorgeous luminescence, more cool, more feeling in the game.4. High resolution, up to 1600 DPI high resolution for fluid movement.5. Slim design, stylish appearance, easy to carry.Specification:Condition: 100% Brand NewItem Type: Wireless MouseModel: M40Material: ABSButton Life: 5 Million TimesWireless Distance: 10mWork: OptoelectronicsBattery Capacity: 500mah (Rechargeable Lithium Battery)Resolution: 800, 1200, 1600. (Default 1200DPI)Optional Color: Black, SilverSystem Requirements: for Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10 / Vista OS or the latest..Package List:1 x Wireless Mouse 1 x USB Receiver　1 x USB Charging Cable