1、3 Modes: Mechanical keyboard can be connected in Type C wired, Bluetooth, and 2.4Ghz modes, making the 80 percent TKL keyboard well connected and compatible. 2、BT Mode, Wide Compatibility: Store up to 3 devices in BT mode, allowing you to switch between tablets, laptops and phones. Compatible for Windows, for OS X, for Android and for IOS, etc. 3、Volume Control Knob: Mechanical keyboard is equipped with 1 volume control knob, the top right corner knob controls the volume level of the device. Now with the wireless typewriter keyboard, you no longer need to exit the game screen to adjust the volume. 4、Mechanical Switches: The retro typewriter keyboard features true mechanical blue switches. Tactile feedback and a crisp click sound can bring you a great gaming and typing tapping experience. 5、Hot Swappable Switches: Mechanical keyboard uses classic typewriter style combined with premium hot swappable blue switch keyboard technology. Speed up typing and enjoy the "click" feeling of an old fashioned Royal typewriter. 6、Light Adjustment: You can adjust the mode of the white LED light by pulling the lever, which is fun to do while working. You can also adjust the brightness and mode of the light by pressing the button. 7、Long Battery Life: Wireless keyboard uses a large 1000 mAh battery that lasts 70 hours of typing (240 hours when RGB is off) or 7 days of normal use (8 hours counted per day) with 16 LED light effect settings. 8、Retro Look: The panel of the retro typewriter keyboard consists of aluminum alloy metal, punk style round keycaps. Every detail is perfectly rendered with a retro look. Item Type: Mechanical Keyboard Material: ABS, Aluminum Alloy Size: Approx. 448.7x214.5x36.1mm / 17.67x8.44x1.42in Battery: Polymer Lithium Ion Battery (Built In) Capacity: 1000 mAh Connection: 2.4G BT5.1 USB Number of Keys: 107 Keys LED Light Effect: 16 Kinds Support System: Compatible with for Windows, for OS X, for Android and for IOS Systems; Suitable for PC Notebook Tablet, Cell Phones and Other Cross Device Use up to 3 Devices Connected at the Same Time Input Interface: USB C Hot Plug: Support 1 x Keyboard 1 x Hand Rest 1 x USB Cable 1 x Receiver 1 x Mouse Pad 1 x Instruction Manual