Mouse -Adjustable Business Office USB Optical Wireless Mouse For Laptop PC Blue Highlights Generic Brand Adjustable Business Desk USB Optical Wireless Mouse For Laptop PC Blue Description: High-end optical engine, precise positioning . Smart connectivity, plug and play. Ergonomic design, comfortable touch, long-term use without fatigue. Features: Automatic power saving mode without switch Wireless transfer, longest detection distance up to 10-15 meters Optical tracking technology, works on many different surfaces Specification: Buttons: 4 buttons with scroll wheel . The max DPI: 1600 DPI. Adjustable DPI switch: 800/1200/1600DPI Transmission: 2.4G Key life: 3000000 times Interface: USB Battery mode: 1x AA battery (not included) Working distance: up to 10M Support system: XP/VISTA/WIN7 / WIN8 / MAC / DOS Material: ABS Item Size: approx. 128*73*42mm Package includes: 1 piece wireless mouse (battery not included) 1 piece USB receiver