Approximate size: 125 mm / 4.92 in (Length) x 60 mm / 2.64 in (Width) x 30 mm / 1.18 in (Height)
Approximate weight: 89 g / 0.09 lbs (without cable)
PC or Mac with a free USB port
Windows® 10/ Windows® 8/ Windows® 7 / Mac OS X (v10.8-10.10)
100 MB of hard disk space
Razer Synapse registration (requiring a valid e-mail), software download, license acceptance, and internet connection needed to activate full features of product and for software updates. After activation, full features are available in optional offline mode.