1.Fully Committed Retro Style - Wireless Typewriter Keyboard: As a professional developer of typewriter series keyboards, we use modern technology to optimize typewriters, advanced Bluetooth 5.0 connectivity, pluggable switches, punk style round keycaps, and manual pull-out levers, which make up the original retro keyboard. 2.Premium OUTEMU Hot Swap Mechanical Blue Switch:The classic typewriter style is integrate with premium hot swappable blue switch keyboard technology. Accelerate the speed of typing and enjoy the 'Click'feeling by the old royal typewriter 3.Easy to Connect: The dual mode of wired and Bluetooth connection can be switched at will with the function switch button. With the upgrade Bluetoooth 5.0 version,faster to switching between A to B or C Device.No longer complain about the boredom of slow switching. 4.Built-in 2000mA Rechargeable Typewriter Keyboard: Use the keyboard's special TYPE- C charging cable to support long battery life for gaming and office use. 5.14+ Modes of RGB Backlight:You can adjust the Led lights up mode by pulling the lever, which is interesting when work. You can also adjust the volume and brightness of the light by twisting the wheels. 6.More Compatiblity: Compatible with Cellphone,Tablet or laptop with Android, Windows10, iOS and Mac OS system.You can connect it with desktop PC with USB wire.If you have more required, with our team please. keyboards lifetime after-s quality