Whether you’re a gamer or not, the Cooler Master SK621 Wireless Mechanical Keyboard upgrades your workstation. While it’s marketed as a Bluetooth keyboard, this device actually comes with hybrid wireless capabilities. If you want lag-free functionality, you can plug the keyboard into your computer as you would any other. When plugged in, the device uses N-key rollover technology, ensuring every single touch of the keys registers on screen. To go unplugged, the keyboard has a powerful battery that can last up to five months and charges via USB. On top of this, each key of the SK621 has a collection of customizable colored lights for backlighting. It doesn't matter if you're playing DOTA or writing the next great American novel, this keyboard is a great blend of form and function.