Lenovo Essential Wireless Keyboard and Mouse Combo

Lenovo Essential USB Mouse

Compact and portable design
Optical sensor with 1000 DPI resolution
1 AA battery for up 12 months use (may vary based on usage)

ThinkPad Wireless Mouse

6-buttons for unmatched productivity and performance
Driverless 2.4 GHz wireless connection for easy installation
Dedicated volume +/- buttons for controlling media
On-the-fly DPI adjustment: 2400, 1600, 1000 resolution
2-level scroll wheel speed adjustment for hyper-scrolling or precision
Ergonomic right-handed design

Dual-host Bluetooth 5.0 to switch between 2 devices
Swift Pair to conveniently connect to new devices
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)

ThinkPad X1 Wireless Touch Mouse is thin, light and tough