1Compact Size Easy Carry:The optimized 61key layout still retains the functions of the complete keyboard as small and reasonable, simplifying complexity and making it easy to carry 2Color Mixing Light: Cool and colorful cut at will, a variety of light effects at will, adjust the speed of light and brightness, keycap transparent clear, to create a different cool and colorful feel 3Ergonomics: Four switch is optional , give you a different feel experience, black switch,green switch,red switch for games and office; Brown Switch is suitable for home office. Ergonomic layout design reduces wrist pressure and makes it more comfortable to use 4Key Line Separation: Full key without punching. Type C wired connection, key line separation, plug and play; At the same time press the full key is non conflict, quick response, quick operation step 5Compatible Systems: For Windows2000 ,for Me ,for Xp ,for Vista ,for Win 7 ,for HarmonyOS ,for Win 8 ,for Win 10,for Android ,for Ios, Etc Item Type:MechanicalKeyboard Material: ABS Color: Coffee A Connection Mode: Support Type C Wired Light: Color Mixed Light, Multiple Luminous Modes Key Position Conflict: Full Key Without Punch Ergonomics: Support Compatible Systems: For Windows2000 ,for Me ,for Xp ,for Vista ,for Win 7 ,for HarmonyOS ,for Win 8 ,for Win 10,for Android ,for IOS, Etc 1 x MechanicalKeyboard 1 xKey Puller 1 xUSB Cable Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.