1、Ergonomic Layout: The RGB keyboard has a 64 key ergonomic layout design, reducing wrist pressure and making it more comfortable to use 2、4 Switch Optional: The 64 key keyboard has blue switch, linear action switch, red switch, brown switch, with 4 switch optional 3、3 Mode Connection: The mechanical keyboard supports wireless 2.4G, BT 3.0, BT 5.0, Type c wired three modes 4、Wide Compatible: The white keyboard can switch connection by Fn and Q, W, E, R, T, Y, support for Win 2000, for Win ME, for Win XP, for Win Vista, for Win 7, for Harmony OS, for Win 8, for Win 10, for Android, for IOS and Other Systems 5、RGB Backlight: The RGB keyboard has RGB backlight, with regulable light speed and brightness, built in large capacity rechargeable battery, full key without punch Item Type: Mechanical Keyboard Material: ABS Color: White Connection Method: Support Wireless2.4G, BT3.0, BT5.0, Type C Wired Lighting: RGB, Multiple Lighting Modes Conflict of Keys: No Conflict for All Keys Battery Capacity: Built in 1800mAh Lithium Battery (included) Ergonomics: Support Working Voltage: 5V DC Working Current: 300mA (maximum) Standby Current: 0.5mA Compatible System: For Win 2000, for Win ME, for Win XP, for Win Vista, for Win 7, for Harmony OS, for Win 8, for Win 10, for Android, for IOS and Other Systems 1 x Mechanical Keyboard 1 x Adapter 1 x Key Puller 1 x Data Cable