Lenovo Professional Bluetooth Rechargeable Mouse - Optical - Wireless - Bluetooth - Rechargeable - Storm Gray - 4000 dpi - Scroll Wheel - 6 Button(s) - 3 Programmable Button(s) - Right-handed

Quickly connect with Bluetooth 5.1 and Swift Pair support Get 3 months of use from a 2 hour refuel of the rechargeable battery On-the-fly DPI (three stages) adjustable via software up to 4000 DPI Ergonomic design reduces thumb fatigue Programmable side and top buttons for custom shortcuts Blue optical sensor tracks on most surfaces Three-year long-term warranty 2-way scroll wheel (up / down) with configurable scrolling speed Cycle between paired devices with the Bluetooth pairing button Comfortable full size mouse with soft side material