1、Free Switching: Switch to connect to different devices through Fn+Q/W/E/R/T/Y, for Windows2000, for ME, for XP, for Vista, for Win7, for HarmonyOS, for Win8, for Win10, for Android, for IOS and other systems. 2、68 Key 3 Mode Keyboard: three mode connection, wireless or wired, and supports wireless 2.4G/BT 3.0/5.0/Type‑c wired three modes; it is more convenient to separate the keys and wires. 3、Full Key Without Impact: Mechanical keyboard has a inbuilt 1800mAh large capacity rechargeable lithium battery for long lasting battery life, which can be charged when connected with a wired connection; pressing all keys at the same time does not conflict with each other, and responds quickly. 4、RGB Dynamic Backlight: Cool and colorful cut at will, multiple light effects can be switched at will, light speed and brightness of light and dark can be adjusted at will, keycaps are transparent, creating a different cool and colorful ambient. 5、Ergonomics: Blue switch, black switch, red switch are suitable for gaming office; brown switch is suitable for home office. The ergonomic layout design reduces the pressure on the wrist and makes it more comfortable to use. Item Type: Mechanical Keyboard Material: ABS Color: Black Connection Method: Support Wireless 2.4G/BT 3.0/5.0/Type-c Wired Light: RGB Multiple Luminous Modes Key Conflict: All Keys Have No Impact Battery Capacity: Inbuilt 1800mAh Lithium Battery (Ship with Inbuilt Battery) Ergonomics: Support Working Current: 300mA (Maximum.) Standby Current: 0.5mA Compatible System: For Windows2000, for ME, for XP, for Vista, for Win7, for HarmonyOS, for Win8, for Win10, for Android, for IOS 1 x Keyboard 1 x Adapter 1 x Key Puller 1 x Data Cable