Features:

Ultra-precise Scroll Wheel.
Optical technology works on most surfaces.
Ergonomically designed, long-term use without fatigue.
Intelligent connectivity, no need to code, plug and play.

Specifications:

Color: Black
Weight: approx. 105g
Light color: 7-color
Interface: USB
Buttons: 7 buttons
DPI: 5500
Operation mode: Optical

Note:

Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.

A: Tyrannosaurus 6 keys
B: Tyrannosaurus 7 keys
C: Tyrannosaurus crack 7 keys
D: X11-6 key
E: M40-6 key【Mute】