Features.
-Fully customizable ambidextrous ergonomics.
-4G Dual Sensor System.
-1ms Gaming Wireless Technology class.
-Dedicated DPI Trigger Clutch.
-Powered by a single AA battery.
-Razer Synapse 2.0.

Specifications.
Ergonomics adapted to fit all hand sizes and grip-style
8200dpi 4G Dual Sensor System
Gaming-grade wireless technology with dock
Razer Synapse 2.0 enabled
11 programmable Hyperesponse buttons
1000Hz Ultrapolling / 1ms response time
Up to 200 inches per second / 50g acceleration
Approximate Size: 122 mm up to 137 mm / 4.80 "to 5.39" (length) x 71 mm / 2.80 "(width) x 42 mm / 1.65" (Height)
Approximate Weight: 115 g / 0.25. (without battery) 135 g / 0.29. (with battery)
Battery: (Approx) 12 hours (continuous gaming)

System Requirements.
PC / Mac with USB port
Windows 8 / Windows 7 / Windows Vista / Windows XP (32-bit) / Mac OS X (v10.6-10.8)
Internet connection
100MB of free hard disk space
Razer Synapse 2.0 registration