PRODUCT DESCRIPTION

Gaming-grade laser gives you precision at any speed
Up to 27 grams of extra weight give you the feel you want in your hand
Onboard memory lets you take your settings with you
Dual mode scroll wheel provides click-to-click or hyper-fast scrolling
On-the-fly adjustable DPI gives you the right level of precision for any game scenario. Mouse also comes with 10 programmable buttons

Gaming grade laser offers smooth precision

A gaming-grade laser gives you game-changing precision at any hand speed, making it your weapon of choice for MMORPG and FPS gamers. 
 
Powerful onboard memory

Onboard memory lets you save and take your settings for your favorite title with you – and no added software is required.
 
Weight tuning gives you options

Whether you like it heavy or light, weight tuning gives you up to 27 grams of extra weight for personalized feel and control. Just the way you like it. 
 
Dual-mode scroll wheel with hyper-fast scrolling

This unique feature provides precise click-to-click scrolling that gamers love to have on their side. Or when the boss is coming, switch to frictionless hyper-fast scrolling to fly through Web pages.
 
On-the-fly adjustable DPI

This option gives you the right level of precision for any game scenario – (up to 5700 dpi ) for whatever game you're playing.
 
Programmable buttons put macros in your hand

10 programmable buttons give you valuable macros at your disposal (which means downloading Logitech SetPoint software). 

Specification
Gaming-grade specifications:
Tracking Resolution: 200 – 5700 dpi
Image processing: 12 megapixels/second
Max. acceleration: 30G*
Max. speed: up to 165 inches(4.19 m)/second*

Responsiveness
USB data format: 16 bits/axis
USB report rate: Up to 1000 reports/second
Sleep mode: Disabled

Glide
Dynamic coefficient of friction – Mu (k): 0.09**
Static coefficient of friction – Mu (s): 0.14**
Tuning weight: Up to 27 grams

Durability
Buttons (Left / Right): 8 million clicks
Feet: 250 kilometers