1.[PROGRAMMABLE KEYBOARD KIT]The pro software feature allows you to customize key functions, macros, and light to your liking. You can remap keys, create macros, and even adjust the RGB lighting effects, all through the software. This feature makes the GMK61 mechanical keyboard kit a great choice for gamers, programmers, and anyone who wants a personalized keyboard typing experience 2.[HOT-SWAPPABLE MECHANICAL KEYBOARD]This custom mechanical keyboard kit with hot swappable pcb base supports 3-pin or 5-pin switches replacement, such as Cherry, Gateron, Otemu, Kailh and other MX switches. Even keyboard beginners can easily DIY there own keyboards without soldering issue. Equipped with pre-lubed stabilizers bring smooth typing feeling, provide fast response for exciting game 3.[60 PERCENT DIY KIT WITH GASKET STRUCTURE]As a ultra-compact 61 keys keyboard, gmk61 kit retains the compactness of the 60% layout that allows for quick access without sacrificing too much space. mini size to save more space for your computer. Slim and lightweight design is easy to carry while gaming, working/studying/traveling. The gaming kit features a gasket mount with 3 layers of sound-absorbing materials. Base foam and silicone pads are used between the PCB board and the case, which effectively reduces the noise and vibration of the keys, optimizes the switching sound 4.[THREE MODES OF CONNECTIVITY]GMK61 supports triple mode - Bluetooth, 2.4GHz, and USB-C connections for versatility and ease of use. Bluetooth and 2.4GHz modes allow you to connect multiple devices, while the type-c connection ensures a stable and fast connection to your computer. Whether you're a gamer, programmer, or just looking for a small keyboard that can easily connect to multiple devices, the GMK61 is the perfect choice for a versatile and personalized input experience 5.[SOUTH-FACING LEDS WITH STREAMING LIGHT BAR]Featuring a PC positioning plate to ensure even illumination of the keyboard, this GMK61 light up keyboard features 16.8 million RGB light colors and amazing south-facing LEDs, with 18 preset backlighting effects and cool light bars to add a great ambience to your games. The brightness and speed of the lights can be adjusted with the FNand button combination, and you can remap your kit to your liking 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.