Feature:1. Three Mode: 82 keys mechanical keyboard has three mode connection, wireless or wired, supports wireless 2.4G, BT 3.0/5.0/Type C wired mode; the key line is more convenient to separate.2. 82 Keys: RGB mechanical keyboard reduces the volume, does not reduce the function, the optimized 82 key layout still retains the functions of the complete keyboard, small and reasonable, easy to carry.3. RGB Dynamic Backlight: Cool and colorful at will, switch a variety of 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. Four Switches: Black switch,blue switch,red switch,brown switch are optional, giving you a different hand experience, black switch,green switch,red switch is suitable for game office; brown switch is suitable for home office.5. N Key Rollover: Built in 1800mAh large capacity rechargeable lithium battery, long lasting battery life, charging can be taken into account when wired connection; pressing all keys at the same time does not conflict with each other, quick response, quicker operation.Specification:Item Type: Three Mode Mechanical KeyboardMaterial: ABSColor: WhiteConnection Method: Support Wireless 2.4G, BT3.0/5.0, Type C wiredLighting: RGB Multiple Lighting ModesKey Conflict: N Key RolloverBattery Capacity: Built in 1800mAh Lithium Battery (included)Ergonomics: SupportWorking Voltage: 5V DCWorking Current: 300mA (max.)Standby Current: 0.5mACompatible System:For Windows2000/ME/XP/ Vista/Win 7/HarmonyOS/ Win 8/Win 10,for Android,for IOS and Other Systems.Package List:1 x Three Mode Mechanical Keyboard 1 x Key Puller1 x Adapter1 x Data Line1 x User ManualNote:Ships with built in battery. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store