Welcome to the store! DIY 61-key Mechanical Keyboard Kit: Mix and match any switch and keycap to create your dream keyboard. Hot-Swappable Switches: Unique patented design with a double-layered thick metal panel for extended plug life. Durable ABS Shell: One-piece ABS shell for strength, durability, and resistance to damage. Wide Compatibility: Compatible with Windows 2000, ME, XP, Vista, Win 7, HarmonyOS, Win 8, Win 10, Android, and OS X. Suitable for home and office use. Note: When installing switches, ensure the switch pins are not bent. During installation, the hot-swappable axis must be inserted vertically. This keyboard does not support a wired connection via USB; therefore, the keyboard itself does not include a USB port. Item Type: 61-key Mechanical Keyboard DIY Kit Material: ABS Connection Method: Supports 2.4g wireless, BT 3.0 & 5.0, Type-C cable Lighting: RGB with multiple lighting modes Key Conflict: N-key rollover Battery Capacity: Built-in 1500mAh lithium battery (included) Ergonomics: Supported Operating Voltage: 5V DC Operating Current: 300mA (maximum) Standby Current: 0.5mA Hot Swappable Base: Supports standard height 5-pin and 3-pin shafts Compatible Systems: Windows 2000, ME, XP, Vista, Win 7, HarmonyOS, Win 8, Win 10, Android, OS X Package Includes: 1 x 61-key Mechanical Keyboard DIY Kit 1 x USB Power Cable 1 x Adapter 1 x Keycap Puller 1 x Switch Puller Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide the best solution!