4Y51J62544 Overview The Lenovo Professional Bluetooth Rechargeable Mouse is engineered to maximize human performance by giving you more control & eliminating distractions. Expect a masterfully sculpted right-handed form, programmable side buttons and top button, a dynamic wheel that matches your speed, and an enduring battery life of up to 3 months when charged via USB-C. Key Details Comfortable full size mouse with soft side material Ergonomic design reduces thumb fatigue Blue optical sensor tracks on most surfaces 2-way scroll wheel (up / down) with configurable scrolling speed On-the-fly DPI (three stages) adjustable via software up to 4000 DPI Quickly connect with Bluetooth 5.1 and Swift Pair support Cycle between paired devices with the Bluetooth pairing button Get 3 months of use from a 2 hour refuel of the rechargeable battery Programmable side and top buttons for custom shortcuts Three-year long-term warranty