Feature:1. Triple Mode: The mechanical keyboard supports wireless 2.4G, BT 3.0 5.0, Type C wired connection in three modes.2. 64 Keys: 64 key layout, retains the functions of a complete keyboard, small and reasonable, easy to carry.3. Ergonomic Design: Adopt ergonomic design, blue switch, linear action switch, red switch, brown switch four options to choose from, giving you a different feel experience.4. Long Battery Life: Built in 1800mAh high capacity rechargeable lithium battery for long lasting battery life, charging can be taken into account when wired connection, quick response.5. Simple Operation: Multiple devices, free to choose and switch, connect unnecessary devices through Fn+Q/W/E/R/T/Y switching.Specification:Item Type: Mechanical KeyboardMaterial: ABSColor: WhiteConnection Method: Support Wireless 2.4g, BT 3.0 5.0, Type C WiredLighting: Monochromatic White Light, Multiple Lighting ModesConflict of Keys: No Conflict for All KeysBattery Capacity: Built in 1800mah Lithium Battery (included)Ergonomics: SupportWorking Voltage: 5V DCOperating Current: 300mA (maximum)Standby Current: 0.5mACompatible Systems: for Windows2000, for ME, for XP, for Vista, for Win 7, for HarmonyOS, for Win 8, for Win 10, for , for OS XHow to Use:Can be wired, can be wireless, can be connected via BTWired: FN+Y wired mode, plug and playWireless: Press and hold the FN+Q channel indicator to flash quickly, and then plug the USB2.4G connector into the computer's USB port. (The light must be flashing before plugging in the USB adapter)BT connection: The name is BT3.0 Keybpard/BT 5.0 KBFN+E= BT channel 1 green indicatorFN+R= BT channel 2 blue indicatorFN+T= BT channel 3 yellow indicatorPackage List:1 x Mechanical Keyboard1 x Adapter 1 x Key Puller1 x Data Cable