Features: Brand new and high quality hot swappable switch: Enjoy performances typing with hot swappable switches technology, allowing you to customizes your Keyboards experience. Multimodes connection: The Keyboards offer three connection Wireds, 2.4GHz wireless, and Bluetooth-compatible. You can work, whether in office, without any restrictions. Full N-key flip and split design: The Keyboards adopts a full N-key split design, which can accurately record each key even when multiple key simultaneously. Customizable backlights and typeC interfaces: The Keyboards is equipped with customizable backlights and typeC interfaces. The typeC interfaces ensures compatibility with 5-pin mechanical switches. light will keep about the battery and selected at any time. Specifications: Product size: 312x102x31mm or 12.28x4.01x1.22inch Key arrangement: 68keys backlights type: backlights Working Wireds : 5V 0.25V Wireless operating : 3.0-4.2 Open button backlights status working current: 100mA Turn button backlights status working current: 5mA power supply: 1.5V battery 2Pcs Connection method: Wireds USB connection or 2.4G wireless connection or Bluetooth-compatible wireless connection interfaces type: Wireds USB typeC or 2.4G USB typeA receiver Note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you! Package includes: 1Set Mechanical Keyboards Kit