1. Ergonomic design, comfortable grip
2. Can be operated in a large area without being bound by wires
3. Insert the wireless mini receiver into the USB interface, turn on the switch and use it
4. High-precision sensor, precise positioning
5. Support system: Win XP / 7/8/10 / Mac OS
6. Battery: AA battery * 1
7. Dimensions: 98x58x32.5mm
