Razer Viper Ultimate 20000 DPI Optical 8-keys Programmable 2.4GHz Wireless + Wired Mouse, Cable Length: 1.8m (Yellow)

1. Razer HyperSpeed a??a??wireless technology
2. Razer Focus+ optical sensor
3. Optical mouse micro switch
4. 74g lightweight design
5. Up to 70 hours of battery life
6. 20000DPI Focus+ optical sensor, resolution accuracy of 99.6%
7. Up to 650 inches per second (IPS) moving speed/50G acceleration
8. Advanced customizability of lift/landing distance
9. 8 independently programmable buttons
10. Optical mouse micro switch, can withstand about 70 million clicks
11. Real two-handed universal appearance
12. Game-level tactile scroll wheel
13. On-the-fly sensitivity adjustment (default level: 400/800/1600/2400/3200)
14. Hybrid onboard and cloud storage (4+1 configuration files)
15. Support Razer Synapse Thunder Cloud 3
16. A true phantom lighting system with approximately 16.8 million customizable color options
17. Color synchronization between devices
18. Wired and wireless usage modes
19. With 2.4 GHz receiver
20. 1.8m/6ft Speedflex cable for charging and wired connection
21. Compatible with Razer mouse charging dock
22. Battery life: Approximately 70 hours (no lighting effect) (battery life depends on usage settings)
23. Dimensions: 126.7 mm/4.99 inches (length) x 66.2 mm/2.61 inches (width) x 37.8 mm/1.49 inches (height)
24. Weight: 74g / 2.61 ounces (without cables)
25. Suitable for basic input on Xbox One