Tri-mode Connection Keyboard: GMK67 wireless mechanical keyboards work with Bluetooth 5.0, 2.4GHz wireless and USB wired connection, can connect up to Three devices at the same time, and easily switch by shortcut keys or side button. The rechargeable keyboard is equipped with a 3000mAh large-capacity battery,which has long-lasting battery life Hot-swap Custom Keyboard: This custom mechanical keyboard with hot-swappable base supports 3-pin or 5-pin switches replacement. Even keyboard beginners can easily DIY Your own keyboards without soldering issue Advanced Gasket Mounted Keyboard: This mechanical keyboard features a advanced structure, extended integrated silicone pad, and PCB slotting, better optimizes resilience and stability, making the hand feel softer and more elastic. Five layers of filling silencer fills the gap between the PCB, the positioning plate and the shaft,effectively counteracting the cavity noise sound of the shaft hitting the positioning plate, and pr