1、Free Matching: DIY 61 key mechanical keyboard kit, can match any switch and keycap at will, DIY your favorite keyboard. 2、Switch Hot Swap: Switch hot swap shaft, unique design patent, combined with double layer thick metal panel, bring longer plug life. 3、ABS Shell: Adopting ABS one piece shell, strong hardness, sturdy, durable, not easy to damage. 4、Widely Compatible: Compatible with for Windows2000, for ME, for XP, for Vista, for Win 7, for HarmonyOS, for Win 8, for Win 10, for Android, for OS X, the keyboard is suitable for all environments, home and office use. 5、Note: When installing the switch, check that the pins of the switch are not bent. During installation, the hot swap shaft needs to be inserted vertically. The keyboard does not support a wired connection via USB, so the keyboard itself does not include a USB port. Item Type: 61 Key Mechanical Keyboard DIY Kit Material: ABS Connection Method: Support Wireless 2.4g, BT 3.0 5.0, Type C Wired Lighting: RGB Multiple Lighting Modes Conflict of Keys: No Conflict for All Keys Battery Capacity: Built in 1500mah Lithium Battery (included) Ergonomics: Support Working Voltage: 5V DC Working Current: 300ma (maximum) Standby Current: 0.5ma Hot Swappable Base: Support Standard Height 5 Pin Shaft 3 Pin Shaft Compatible Systems: for Windows2000, for ME, for XP, for Vista, for Win 7, for HarmonyOS, for Win 8, for Win 10, for Android, for OS X 1 x 61 Key Mechanical Keyboard DIY Kit 1 x USB Power Cable 1 x Adapter 1 x Key Puller 1 x Shaft Puller