Lenovo ThinkLife Dual Mode Mute Wireless Bluetooth Mouse (Black)

1. Using ultra-quiet micro-touch keys, no disturbing percussion 2. Support 2.4G wireless receiver connection and Bluetooth dual connection mode, you can switch at will 3. Maximum support 1800DPI, four adjustable, IR infrared light recognition technology, accurate positioning 4. Moderate curvature and comfortable grip 5. Long standby time, one AA battery, continuous use time up to 14 months 6. Compatible with mainstream computer operating systems such as windows 7. Dimensions: 99.25×58.2×38.1mm 8. Packing: mouse, USB wireless receiver, AA battery * 1, manual, warranty card