1、Three Mode Connection: Three mode connection, wireless or wired, supports three modes of wireless 2.4G/BT 3.0/5.0/Type c wired, the key line separation is more convenient. 2、Compatible System: multiple devices, switch freely, connect different devices through Fn+Q/W/E/R/T/Y switch, 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、RGB Dynamic Backlight: cool and colorful at will, switch between various light effects at will, adjust the light speed and brightness at will, and the keycaps are transparent and clear, creating a different cool and colorful ambience. 4、Long Lasting Battery Life: The mechanical keyboard has a built in 1800mAh large capacity rechargeable lithium battery for long lasting battery life, which can be charged during wired connection. 5、82 Key Layout: Mechanical keyboard adopts 82 key layout, simplifying complexity, ABS material, wear resistant and durable, can be used for a long time. Item Type: Mechanical Keyboard Material: ABS Color: Blue Connection Method: Support Wireless 2.4G/BT 3.0/5.0/Type C Wired Lighting: RGB 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 Key Puller 1 x Adapter 1 x Data Cable 1 x User Manual