1、Three Mode Keyboard: Three mode connection, wireless or wired, supports wireless 2.4G, Bluetooth 3.0, 5.0, Type c wired three modes, the key line separation is more convenient. 2、Free Switch: Fn+Q, W, E, R, T, Y switch to connect different devices, For Windows2000, for ME, for XP, for Vista, for Win 7, for HarmonyOS, for Win 8, for Win 10, for Android, for IOS and Other Systems 3、Ergonomics: Red Switch, Brown Switch are optional, giving you a different feel experience, the red switch is suitable for game office, and the brown switch is suitable for home office. Ergonomic layout design, reduce wrist pressure and more comfortable to use. 4、64 Key: The optimized 64 key layout still retains the functions of a complete keyboard. It is small and reasonable, and it is simplified and easy to carry. 5、High Efficiency and Energy Saving: The keyboard has a built in 1800mAh large capacity rechargeable lithium battery for long lasting battery life, which can be charged during wired connection. Item Type: 64 Key Mechanical Keyboard Material:ABS Color: Pink Connection Method: Support Wireless 2.4G, Bluetooth 3.0, 5.0, Type c Wired Lighting: Monochromatic White Light, Multiple Lighting Modes Conflict of Keys: No Conflict for All Keys Battery Capacity: Built in 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 Win 7, for HarmonyOS, for Win 8, for Win 10, for Android, for IOS and Other Systems 1 x Keyboard 1 x Adapter 1 x Key Puller 1 x Data Cable