Specification: Product color: green/black.  Connection method: wired/Bluetooth/2.4G.  Lighting effect: RGB.    Features: Compact 75% Layout:- CoolKiller CK75 keyboard has a 75% layout. The keyboard saves you desk space while offering you the full functionality of the function row keys, alphanumeric keys, arrow keys, etc.  Transparent Keyboard Chassis:- Experience a unique user experience with the latest CoolKiller CK75, the keyboard gets a transparent chassis. CK75 is made available in two different color options, Black and Green, each having its own tag line.  Custom-Developed Mechanical Switches:- CoolKiller has designed two new mechanical switches for the CK75. Both the Meow and Glory switches have a linear actuation. The Meow switch is a light linear mechanical switch with light trigger force while the glory switch offers a heavy force linear operation. Users can also change the switches on their CK75 keyboard as the keyboard features a full-key hot-swappable keyboard plate.  Gasket Mounted Structure:- CoolKiller CK75 has a quiet and smooth typing operation with its gasket-mounted padded structure. The keyboard plate inside the CK75 chassis is mounted directly into the chassis for a smooth, wobble-free operation. It has a sandwich silicone and bottom silicone layers between the keyboard plate, PCB, and Chassis. With the help of this gasket-mounted and silicon padded structure makes sure you get a smooth typing experience with the CK75.  System-Wide Connectivity With Triple-Connection Modes:- CoolKiller CK75 offers connectivity with a wide range of different systems with its triple connection modes. It supports the latest Bluetooth wireless connectivity, Wireless 2.4GHz connectivity, and Wired Type-C connectivity. Use the CK75 with your Laptops/PCs, smartphones, or tablets.  High-Quality Coiled Connector cable:- CoolKiller CK75 comes with its own high-quality sleeved coil-shaped USB Type-C connector cable. It gives all-new aesthetics to the stunning looks of this compact and versatile keyboard.  Full-RGB backlight With Musical Rhythm Effects:- CoolKiller CK75 mechanical keyboard comes with a multi-color RGB backlight that supports different lighting effects. It includes musical rhythm effects too Let your keyboard follow the beat of your favorite music     Package Included: 1* keyboard.  1* Instruction Manual.  1* spring charging cable.  1* Double head key puller.  1* 2.4G receiver.  1* Aluminum case