MouseFeature: Black when not using， can be changed to 7 kind of colors:red，green，purple......High Quality， Compact Design and Measurable Weight.Built-weight iron， feel comfortable， mobile and stability.Ergonomic shape， special feel good.Intelligent connectivity. no need to code， plug & play.Optical technology works on most surfaces.USB cable is up to 1.5m long.Most suitable for Laptop user and PC user.It is an essentiaequipment for Gamers.Cord length 1.8M?��0.3MPackage included 1 X KeyboardWindows98/XP/Win7/Win8， etc.Net Weight: 800gUSB: USB lineLoad-bearing of the key: 65gKey Life: >1000W timesSway Test: >3000 timesRoute of Key: 3.6mmVoltage: 5VCurrent: 50mADimension:500(L)*215(W)*45(H)mm