168 Key Three Mode Keyboard: Three mode connection, wireless or wired, supports wireless 4G/Bluetooth 0/0/Typec wired three modes; the separation of keys and wires is more convenient. 2Simplified Volume Without Reducing Functions: The optimized 68 key layout still retains the small and reasonable functions of a complete keyboard, making it simple and easy to carry. 3Ergonomics, Four Axes Optional: Giving you a different hand feeling experience, black axes/green axes/red axes is suitable for gaming and office; tea axes is suitable for home office. The ergonomic layout design reduces the pressure on the wrist and makes it more comfortable to use. 4High Efficiency and Energy Saving, No Impact on All Keys: Built in 1800mAh large capacity rechargeable lithium battery has a long lasting battery life, and can be charged when wired; pressing all keys at the same time does not conflict with each other, quick response, and quicker operation. 5Multiple Devices, Freely Select and Switch: Switch to connect to different devices through Fn, Q/W/E/R/T/Y, for Windows2000/ME/XP/Vista/Win7/for HarmonyOS/Win8/Win10/for Android/for IOS and other systems.