Feature:1. Free Matching: DIY 61 keys mechanical keyboard kit, switch hot swappable shaft seats, can be freely matched with any switches and keycaps, DIY your exclusive keyboard.2. Switch Hot Swap: Switch hot swap shaft seats, unique design, combined with double layer thick PCB panel, bring longer plug life, and support standard height five pins shaft and three pins shaft.3. ABS Shell: Mechanical keyboard DIY set adopts ABS one piece shell, strong hardness, metal plate, sandwiching soundproof silicone, bottom sound absorbing cotton, durable.4. Wide Compatibility: Mechanical keyboard DIY set is 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 and other systems, suitable for home and office.5. Installation Note: When installing the switch, please check whether the pins of the switch are bent. When installing, you need to insert the hotswap shaft seats vertically.Specification:Item Type: 61 Keys Mechanical Keyboard DIY KitMaterial: ABSConnection Method: Support Wireless 2.4g, BT 3.0,BT 5.0, Type C WiredLighting: RGB, Multiple Lighting ModesKey Conflict: N Key RolloverBattery Capacity: Built in 1500mah Lithium Battery (Included)Ergonomics: SupportWorking Voltage: 5V DCWorking Current: 300mA (max.)Standby Current: 0.5mAHot-swappable Base: Supports Standard Height Pentapods and TripodsCompatible System:For Windows2000,for ME,for XP,for Vista,for Win 7,for HarmonyOS,for Win 8,for Win 10 ,for Android,for OS X and Other Systems.Package List:1 x 61 Keys Mechanical Keyboard DIY Kit (Random color of key panel)1 x USB Power Cable1 x Adapter1 x Key Puller1 x Shaft PullerNote:Ships with built in battery.