Product parameters: Optical Resolution: 1000 DPI Mouse Connection: Wireless Keyboard Connection: Wireless Supports Ergonomic Design: Yes Connection mode: 2.4G Product material: ABS+PC Transmission distance: <=10m Powered by AAA battery: Not included Compatible system: MAC, Windows 10/8.1/8/7/XP/Vista, Linux, etc. DPI: 800-1200-1600 Features: 1. 2.4 GHz wireless technology provides a dependable connection with a range of up to 10M. 2. Wireless design creates a smarter and neater desk setup. 3. The keyboard and mouse utilize the same USB receiver, saving your computer's USB ports. 4. Highly responsive keys with scissor-switch design. 5. Compact and slim full-size design. 6. Low power battery indicators and multimedia hotkeys add convenience. 7. Low-profile keys produce less noise when typing.