1. Noise reduction switch, ergonomic2. Rubber rollers, non-slip and comfortable3. 2.4G compatible system: all computers with USB interface can be used4. Bluetooth 5.2 compatible system: Windows 8/10, Android 4.2 and above, For Mac & IOS 10.105. Power supply mode: USB charging6. Battery capacity: 500mah7. Material: ABS8. DPI: 800/1200/16009. Connection method: Bluetooth connection / 2.4GHz wireless connection10. Button service life: 5 million times11. Wheel direction: four-way wheel12. Operating distance: 10 meters13. Working method: photoelectric14. Dimensions: 112 x 57 x 27mm15. Weight: about 70g

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