Micropack KM-228W iFree Mini 2 Slim Wireless Combo Keyboard & Mouse

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.