Foldable Holders To improve your posture, the wired gaming keyboard comes with 2 foldable holders, which you can fold up when in use. Splash-proof Design Drain holes at the back of the keyboard allow water to flow away quickly to prevent damage to the internal parts of the keyboard.Specifications: Size: 43 x 12 x 2.5cm Switch Type: Blue Switch Cable Length: 1.6m / 5.9ft Package Includes Keyboard x 1 User Manual x 1 Keycap Puller x 1 NOTE: 1. The keyboard multimedia function cannot be used in Mac OS. 2. Press FN+Win to lock the Win key, press again to unlock.3.Take out the keyboard, insert the keyboard USB port into the computer, wait for the driver to install automatically, then you can start using it. If you encounter problems during use, you can check the user manual or contact our technical support, we will help you solve the problem as soon as possible.