Ergonomic Design:Comfortable tilt, reduce palm fatigue during long use. DPI Adjustment:800-1200-1600DPI, responsive, free to switch to suit your hand speed. Power Saving:Low power saving technology, the keyboard without operation for 3 seconds into sleep mode, stand-by time up to about 277 days. 2.4G Wireless: Stable 2.4G wireless connection range up to 10m. Durable Use: Keyboard key life up to 5 million times.
Specs & Details Wireless Technology:RF 2.4GHz Wireless Range:≦ 10 meters Receiver:Nano receiver Rating Voltage/Current:5V/25mA (USB receiver), 1.5V/1.7mA (keyboard), 1.5V/20mA (mouse) Keyboard Switch Type:Membrane Key Type:Low cap Key Number:82 Multimedia Key:12 Composite Control Keys:4 Battery:1 AAA battery Dimension:307x139x21.4 mm Mouse Resolution:800-1200-1600 DPI Button Number:6 (Left key, right key, scroll, forward, backward, DPI switch) Battery:1 AA battery Dimension: 109x64x36 mm System Requirements: Windows 10/8/7/Vista/XP, Mac OS X 10.4 or later, Linux Warranty:2 years warranty Box Content: 1. Wireless mouse 2. Wireless keyboard 3. USB receiver 4. User manual 5. Warranty card