Sensor
Sensor Type and Functionality	Optical	Logitech HERO 25K Optical Sensor
Sensor Type Details	AVAGO A3050 sensor	Optical HERO 25K
Minimum Sensitivity Value		100 DPI
Minimum Sensitivity		100
Sensitivity Settings	Yes	Adjustable via Software
Sampling Rate	125 hertz (hz)	1000 Hz
Maximum Mouse Movement Speed (IPS)		400 IPS
Maximum Mouse Acceleration (G)		40 G
Sensitivity Adjustment Method	-	On-the-fly DPI Shift Buttons
Sampling Rate and Frame Rate	-	1000Hz (USB)

Buttons or control keys

Buttons or control keys
Switch Type and Model	1ms response time	Mechanical Omron Switches
Switch Lifespan		50 Million Clicks
Roller Type and Functionality	Stepped scroll	Dual Mode Hyper-Fast Scroll Wheel
Presence of Horizontal Scroll on Roller	No	No
Key Details		Programmable Buttons, DPI Shift
Number of Keys	-	11
Number of Adjustable Keys	-	11
Roller Features	-	Hyper-fast Scrolling, Tilt Wheel

Aesthetic features

Aesthetic features
Lighting	Yes	RGB Customizable Lighting
Box Contents	A4Tech Bloody Q81 Mouse / User Manual	Mouse, Adjustable Weights, User Documentation
Width Dimensions	70 millimeter (mm)	2.95 inches
Height Dimensions	40 millimeter (mm)	5.2 inches
Product Weight	150 gram (g)	0.27 Pounds
Weight and Ergonomics Adjustment	No	Adjustable Weights (up to 5 x 3.6g)
Cable and Connection Specifications	USB Type-A Cable	Braided Cable
Lighting	-	RGB Customizable Lighting
Color Options	-	Black
Box Contents	-	Mouse, Adjustable Weights, User Documentation
Cable Cover Material	-	Braided Fabric
Mouse Bottom Material	-	Plastic
Weight	-	0.27 Pounds (without weights)
Dimensions	-	5.2 Inches (Height) X 2.95 Inches (Width) X 1.57 Inches (Length)

Other technical features

Other technical features
Lighting Features	RGB backlight with customization capability	Programmable RGB Zones, Customization Via Software
Profile Storage Capability	No	Yes
Dedicated Software Status	Yes	Required For Full Customization
Compatible Operating Systems	Windows XP and later	PC, Mac
Lighting Features	-	Programmable RGB Zones, Customization via Software
Profile Storage Capability	-	Yes
Profile Storage Method	-	On-board Memory
Dedicated Software Status	-	Required For Full Customization
Dedicated Software Details	-	Logitech G HUB
Compatible Operating Systems	-	PC, Mac
Battery and Charging Status Display	-	N/A (Wired)
Other Technical Features	-	Dual Mode Scroll Wheel, Programmable Buttons
Profile Storage Details	-	Stores Multiple Profiles
Battery Lifespan	-	N/A (Wired)
Weight	-	110g (mouse body only)
Profile Storage Method	-	On-board Memory
Dedicated Software Details	-	Logitech G HUB
Battery and Charging Status Display	-	N/A (Wired)
Other Technical Features	-	Dual Mode Scroll Wheel, Programmable Buttons
Battery Lifespan	-	N/A (Wired)
Profile Storage Details	-	Stores Multiple Profiles