Lenovo 600 BT (GY50X88832)

Lenovo 600 (GY50X88832) Lenovo 600 Bluetooth Silent Mouse, Blue Optical Sensor, Adjustable DPI, 4 Button, Microsoft Swift Pair, Windows, Chrome, GY50X88832, Gray Dual-host Bluetooth 5.0 to switch between 2 devices Swift Pair to conveniently connect to new devices Silent buttons without the annoying click sounds Blue optical sensor that works on most surfaces On-the-fly DPI adjustment: 2400, 1600, 800 Up to 1 year batter life on a single AA battery (may vary based on usage)