[Blue switch] The mechanical keyboard adopts the classic blue switch, which can provide higher and clearer "click" sound than traditional keys. It has a crisp sound and is very suitable for gamers and typists. Whether you are typing or playing games, it can provide you with accurate and comfortable responses.[Multiple backlight modes] The backlit keyboard has a variety of different backlight modes that can provide a visual feast during the game, improve the atmosphere of the game, and bring it when used in a dark environment. Cold backlight. Press the + "\|" button to switch between multiple backlight modes, and press the +/→ button to adjust the backlight speed.[Three connection methods] This gaming keyboard adopts the latest three-mode technology and can be connected via 2.4GHz wireless/Bluetooth/Type-C USB cable. The Bluetooth keyboard can be connected to 3 devices at the same time, click FN+Q, FN+W or FN+E to switch easily. (Bluetooth 3.0-4.0-5.0), FN+R changes the wireless USB receiver connection mode, FN+T switches to the wired connection mode, please see the manual for specific operations!1X Mechanical keyboard[Charging keyboard] Wireless keyboard 2.4G wireless connection technology, just select the USB receiver on the back of the keyboard and plug it in. The rechargeable keyboard has a built-in 3000 mAh lithium battery, which can meet the needs of long-term use. In order to power, the keyboard also uses a smart sleep design. If the keyboard is not used for a period of time, it will go to sleep. Press any key to wake up the keyboard.1X Charging cable[Plug and Play] The keyboard can enter the wired mode through FN+T, and it can be used by connecting the USB cable. The keyboard supports full-key anti-ghosting in wired mode. When connected, use USB cable to charge (keyboard red indicator light when charging). Support Windows 2000, Windows XP, , Win 7, Win 8, Win 10, Mac, compatible with mobile phone system with Bluetooth