From the manufacturer
Get a strong connection with the 2.4 GHz USB receiver. Dock the receiver in the mouse itself when you’re done.
The powerful 1200 DPI sensor and ergonomically sculpted design curbs the strain on hand even with long period usage.
Gives you battery life of up to 12 months and left/right buttons that last up to 8 million clicks.
Brand Lenovo Manufacturer no,30 tanuha road futaion free trade zone shenzhen china, G.Tech Technology Ltd. No.21, Jinding Industrial Park, West Jinfeng Road, Tangjiawan Town, Zhuhai, Guangdong, China Model GY50R91293 Product Dimensions 11.9 x 39 x 6.5 cm; 84 Grams Batteries 2 AAA batteries required. (included) Item model number GY50R91293 Operating System Windows 7 Hardware Interface USB Special Features Wireless Mounting Hardware Lenovo 400 Wireless Mouse, Nano USB Receiver, Setup and Product Information Poster Colour Screen No Battery Average Life 12 Months Batteries Included Yes Batteries Required Yes Battery Cell Composition Alkaline Connector Type Wireless Movement Detection Technology Optical Hand Orientation Ambidextrous Has Auto Focus No Includes Rechargable Battery No Programmable Buttons No Manufacturer no,30 tanuha road futaion free trade zone shenzhen china Country of Origin China Imported By Lenovo, Ferns Icon, Level, 2, Outer Ring Rd, Doddanekundi, Mahadevapura, Bengaluru, Karnataka 560129 Item Weight 84 g