Easy to Connect:With the upgraded Bluetooth 5.0 version, switching between Devices A, B, or C is faster than ever. Say goodbye to the frustration of slow device switching. Switch Lights at Will:Experience the fun of work with the ability to adjust the white LED light mode by simply pulling the lever. Additionally, you can fine-tune the volume and brightness of the light by twisting the wheels. Built-in Hot Swap Blue Switch:The classic typewriter style is seamlessly integrated with premium hot swappable blue switch keyboard technology. This enhances typing speed and allows you to enjoy the satisfying Click sound reminiscent of the old royal typewriter. Revisit Retro Style with Modern Technology:Our panels are crafted from aluminum alloy metal with an electroplated wood grain finish, paired with matte black pull rods and rollers, and electroplated round keycaps. Every detail is meticulously designed to showcase the retro aesthetic. More Compatibility:Compatible with cellphones, tablets, or laptops running Android, Windows 10, iOS, and Mac OS systems. You can also connect it to your desktop PC with a USB wire.