The MM731 retains the innovative spirit of Cooler Master while maintaining the familiar aesthetic of classic gaming mice. Each pro-grade feature is intended to give you lightspeed responsiveness in the blink of an eye: genuine PTFE feet for unrivaled glide, hybrid 2.4GHz/Bluetooth wireless for supreme versatility, adjustable 19,000 DPI optical sensor, and optical micro switches for superior durability and input. With all of that housed in a super-lightweight, revolutionary new ergonomic shell design that reduces the weight to 59g, the MM731 truly is less than the sum of its parts.


Hybrid Wireless Tech – Choose from wired mode, 2.4GHz wireless, or Bluetooth 5.1 to connect multiple devices

Striking New Lightweight Design – Mouse weighs in at 59g without having to resort to exterior holes that compromise on aesthetics.

Ergonomic Construction – Classic gaming mouse shape, optimized for right-handed gamers

Gaming Grade Sensor – Adapt to your game or playstyle with optical sensor adjustable up to 19,000 DPI

Optical Micro Switch – Optical inputs provide durability of up to 70 million clicks and near-instantaneous inputs compared to mechanical switches

RGB Illumination – Give your victories some flashy good looks with lighting

Upgrade Mouse Feet – New-and-improved feet made with PTFE material for low friction and high durability, which provides a smooth, fast glide with maximum responsiveness.

Limitless Customization – New, improved software allows you to remap controls, customize your RGBs, tune your macros and more

Product Name MM731
Product Number Black: MM-731-KKOH1
White: MM-731-WWOH1
Grip Type Palm / Claw
Material ABS Plastic / Rubber / PTFE
Color Black / White
LED Color 16.7 Million RGB
Sensor PixArt Optical Sensor
CPI / DPI 400-800-1,200(Default)-1600-3200-8000-19000
Tracking Speed 400ips
Lift Off Distance < ~2mm / Adjustable
Polling Rate 2.4GHz/Wired Mode: 1000 Hz
BT mode: 125 Hz
Angle Snapping Yes
Mouse Acceleration 50g
L/R Switches Optical Switches, 70 Million
Buttons 6
Connectivity Wired / 2.4GHz / BT 5.1
Battery Capacity 500mAh
Battery Life (with LED Off) 72hrs (BT mode) / 190hrs (2.4G mode)
Charging Support Wired charging
Compatible OS Windows8+ / macOS
Software Yes, Cooler Master MasterPlus+
Cable Detachable Ultraweave Cable , 1.8 M (Type-C to Type-A) with Gold-plated
Dimensions (mm/inch) 122.3 x 69.0 x 39.1mm
4.8” x 2.7” x 1.6”
Weight Mouse: 59g / 0.13lbs (w/o Dongle & Cable)
Warranty 2 years