About this item 6 DPI and 6 Buttons: TECKNET bluetooth mouse has 3200/2400/2000/1600/1200/800DPI. Six efficient buttons and six adjustable DPI levels that allow you to freely control the mouse speed. Connects directly to Bluetooth-enab device laptop computer or PC without the need for a receiver. TruWave Technology: The accuracy of TruWave means you'll enjoy smoother tracking on almost any surface. With its bluetooth connection and TruWave technology, it works almost anywhere, from a café to a park bench. You can even use the TECKNET bluetooth mouse on smooth material surfaces. Ergono Design: The ergono design and soft rubber grip perfect to fit your hand for a comfortable grip while reducing wrist fatigue caused by long working hours. The compact size makes it easy to take with you whether you use your computer at home, at work or anywhere else. Comfortable and Durable: TECKNET computer mouse is made of skin-friendly, super durable mouse with perfect performance on 10,000,000 clicks keystroke test! If you have problems with product, please contact us to solve it for you. Long y Life: TECKNET bluetooth mouse for laptop can up to 24-month y Life. It takes only 2 AA y but NOT INCLUDED. Wide Compatibility: TECKNET bluetooth mouse compatible with Windows (Win 11, Win 10, Win 8.1, Win 8, 2003, 2000, XP, VISTA, etc)Suitable for desktop, laptop, PC, MacBook, Chromebook and other devices. (Please note: The side buttons DO NOT work for Mac OS devices due to compatibility issues. Other Buttons function normally) 36 MONTHS SUPPORT: If you encounter any problems in using the product, please feel free to contact our professional customer service team, enjoying TECKNET 36 Months Warranty (Registered Only)