Rapoo VT960 1600 DPI 7 Keys Dual Mode Macro Programmable Symphony RGB Backlit Wireless Gaming Mouse 1. PMW3389 game sensor, can accurately capture displacement to ensure real-time feedback operation 2. Symmetrical design of left and right hands, ergonomic design, comfortable to hold 3. Durable micro switch, crisp button, strong rebound 4. 8001000150020003000800016000 DPI tracking engine, cyclic switching, smooth operation and accurate tracking 5. Approximately 16 million colors RGB backlight system, brilliant colors 6. Number of keys: 7 keys 7. Photoelectric resolution: 1600dpi 8. Acceleration: 50G 9. Refresh rate: 400IPS 10. Button life: 50 million times 11. Features:symmetrical left and right, non-slip grille rollers, durable 12. Battery capacity: 600mAh 13. Charging time: about 2 hours 14. Size: about 6.3x12.5x3.8cm 15. Weight: about 110g