Mice & Trackballs WIRELESS MOUSE WITH NANO RECEIVER ADVENCED 2.4G TECHNOLOGY Stable Connection and Power Efficient The 2.4 GHz wirele mouse provides a powerful, reliable connection, effective up to 15 meters of range. This mouse will auto sleep after 8 minutes of inactivity for power saving, it can be waken up by clicking any button. Plug and Play Tiny wirele receiver conveniently slots into your computer's USB port, taking up minimal space. 1 AA battery needed (not included in the package). Smooth Navigation with Le Noise Mouse Click Slim ergonomic design and smooth frosted surface for an incredible user experience. Quieter and Easier to click, make you concentrate on your work without disturbing others beside you. SIZE Portable and Durable USB-receiver stays in your PC USB port or stows conveniently inside the wirele mouse when not in use. Perfect for work and entertainment in home or office. 4 Color