Thank you for viewing. This is an Elecom wireless 3-button BlueLED mouse "TIPS AIR". I am selling it because I am replacing it. I have confirmed its operation at the time of listing. Batteries are included, but please consider them as a bonus. There is a stain on the left side of the main body. Please check photo 3. Please consider this item if you understand that it is personally stored and a used item. Main Features Specialized for fingertip operation Full rubber design is ideal for gripping. Achieves high grip. BlueLED equipped Accurately responds to small bumps and dust, and can be used comfortably anywhere. Wireless connection 2.4GHz band, approximately 10m on non-magnetic materials, and approximately 3m on magnetic materials. Micro receiver The size of a 1-yen coin, convenient to carry. Can be stored in the mouse body. Battery level indicator lamp & ON/OFF switch Easy battery management and energy-saving design. Resolution 2000 counts Smooth operability. Specifications Supported OS Windows 11/10/8.1/7, macOS Catalina, etc. Size/Weight Width 55.0 x Depth 88.4 x Height 39.5mm, Approximately 58g (without batteries) Power supply 1 AAA battery (Alkaline, manganese, nickel-hydrogen compatible)