Comfortable Ergonomic Design
Fingertip-based control
8 Programmable Buttons
Soft touch surface
Stable Base
Marble optical technology

A Logitech exclusive, the G5's 36-gram adjustable weight cartridge gives you thousands of variations on balance and weight—including one that´s perfect for your unique gaming style.

2000 dpi laser engine
In-game sensitivity switching
Polytetrafluoroethylene gaming feet
Full-speed USB

The Logitech G7 Cordless Mouse delivers extreme cordless performance with a 2000 dpi laser engine for blinding speed and precision response. The G7´s full-speed, bi-directional USB connection sends a blazing 500 reports/second over 2.4 GHz wireless for a bulletproof connection. It features:

Full-speed USB + 2.4 GHz cordless
Two fast-swap ultra-light Li-ion packs
Battery-level indicator
Polytetrafluoroethylene (PTFE) gaming feet
In-game sensitivity switching

Precision Laser Engine
Tilt Wheel Plus Zoom
Robust Cordless Performance
Superior Comfort
Light, Durable Design
Wireless Micro-Receiver
2.4GHz Digital Cordless

Razer Copperhead tempest bLue , black with bLue led , 32k on-board memory support upto 5 game profile , 2000dpi laser , 7800 FPS , 7 MegaPixel/sec , 1000hz ultrapooling , 1ms response time , non-slip 7 buttons ( independently programable ) , always-on instant response , Zero-Acoustic Ultraslick Teflon feet - usb - retail pack