1. Photoelectric resolution: 1200DPI
2. Number of buttons: 3 keys
3. Working mode: photoelectric
4. Interface type: Mini USB
5. Operating distance: 10 meters
6. Working voltage: 1.5V
7. Dimensions: 6 x 11.5 x 3.8 cm
8. Power supply: 1 AA battery (not included)
9. ââChannels: 16, automatic frequency tuning
10. Comfortable, non-slip matte grain texture cover
11. Automatic sleep, power saving design
12. Non-slip textured roller design, comfortable feel, easy to control
2. Number of buttons: 3 keys
3. Working mode: photoelectric
4. Interface type: Mini USB
5. Operating distance: 10 meters
6. Working voltage: 1.5V
7. Dimensions: 6 x 11.5 x 3.8 cm
8. Power supply: 1 AA battery (not included)
9. ââChannels: 16, automatic frequency tuning
10. Comfortable, non-slip matte grain texture cover
11. Automatic sleep, power saving design
12. Non-slip textured roller design, comfortable feel, easy to control