Feature: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.Specification:Item Type: Mechanical KeyboardMaterial: ABSColor: BlueConnection Method: Support Wireless 2.4G/BT 3.0/5.0/Type C WiredLighting: RGB Multiple Lighting ModesConflict of Keys: No Conflict for All KeysBattery Capacity: Built in 1800mAh Lithium Battery (Ship with Inbuilt Battery)Ergonomics: SupportWorking Voltage: 5V DCWorking Current: 300mA (Maximum)Standby Current: 0.5mACompatible 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.Package List:1 x Keyboard1 x Key Puller1 x Adapter1 x Data Cable1 x User Manual