1. Can be operated in a large area without being bound by wires
2. 1000DPI high-precision optical tracking, sensitive control, smooth use
3. Unique two-tone exterior design, with a steady color change, showing the trend of fashion
4. Convenient to use, energy saving and environmental protection
5. The left and right buttons are designed with high brightness and rubber paint, with changes in stability
6. Size: 97x37x57mm