? Compatible with MX Structure Keycaps ? The KTT Baby Series mechanical switches are designed with general MX structure so that they can fit most keycaps sets with (X) cross stem. This greatly improves the compatibility and you can feel free to change the switch and remake your own keyboard. ?Factory Lubed Switch Set? Coming factory-lubed and special structured, the KTT Baby Series mechanical switches can be self-lubed when being typed, which is especially helpful for maintaining a smooth feeling. The durable stem is credited to a more smooth and pleg typing experience. ?Built-in LED Slot & Durable Lifespan? Equipped with LED slots for modification, the backlight can be shine-through even with PBT housings in the KTT Baby Series mechanical switches. This provides more fun feature and options for DIYers. With a lifespan of approximate 50 million times of keystrokes based on laboratory durability tests; you may rest assured with the long lifespan. ?Different Operating Forces and Types?In the pursuit of the ultimate typing experience and gaming precision, the KTT switch series offers unparalleled accuracy and comfort. Whether it's the smooth linear touch of Baby Yellow or the definitive actuation point of Baby Blue, KTT presents you with exceptional tactile options. ?Iconic Creamy Sound?Creamy sound is one of KTT most iconic swich sound. Baby Series features 3.5mm travel with bottom-out stem, provide an upgrade creamy sound compared to KTT kang white switch. The Baby Series is positioned entry-level, have jelly like looks choice for your first barebone.