1. Ergonomics, PMW3338, 2.4G+TYPE-C/USB-C, long battery life, lightweight design 2. Anti-sweat and anti-fingerprint, non-slip hollow design, rounded edges fit the palm, combined with the hollow structure, it feels comfortable. The hole structure design is more conducive to cooling, and the lightweight design reduces wrist pressure 3. Using 2.4G wireless transmission technology, stable transmission distance of 10 meters, small receiver replaces traditional wired connection, unlimited freedom 4. 6 gears (800-1200-1600-2400-3200-16000) DPI free adjustment, up to 16000DPI through driver settings 5. Built-in 500mAh rechargeable lithium battery. There is an energy-saving switch on the back. When the battery is low, the red light of the scroll wheel flashes. When charging, the scroll wheel light is always red, and when it is fully charged, the scroll wheel light is always green. 6. 50 hours of office use time, 45 hours of game use time 7. Lightweight shape, light and fast feel 8. Working method: photoelectric 9. Wheel direction: four-way wheel Standby time: 90 days 11. Return rate: 125Hz-1000Hz 12. Acceleration: 40G 13. Quantity of no punch: full key no punch 14. Number of keys: 7 keys 15. Power supply mode: USB charging/built-in lithium battery 16. Battery capacity: 500mAh 17. Image sensor: PMW3338 18. Moving speed: 400IPS 19. Support operating system: Windows 98/2000/ME/NT; Windows XP; Windows VISTA / 7/8/10 20. Dimensions: 127 x 66 x 38.4mm 21. Weight: 80g