Lenovo Thinkplus WL80 Business Portable Ergonomic Wireless Mouse

1. Compatible systems: Windows2. Number of buttons: 33. Button life: 3 million times4. Resolution: 1000DPI5. Engine: photoelectric engine6. Battery life: 10 months7. Power supply: AA battery x1 (not included)8. The battery life can last up to 10 months, eliminating the trouble of battery replacement and working more smoothly (actual usage time may vary depending on usage conditions)9. High-quality optical engine, more accurate positioning, and 1000DPI pixel-level anchor point cutout is a breeze.10. Symmetrical mode ergonomic design, 110.2×59.7×38.9mm large size design, easy to click when held in full hand