Ducky comes with a Kailh Jellyfish Y switch kit of 110 switches, perfect for you who are going to build a custom keyboard or want to change your current switches. Jellyfish Y has built-in gold contacts and which creates a latency-free connection to your keyboard. The Kailh Jellyfish Y is for those looking for something in the middle type of switch, which has neither too much resistance nor too little. Perfect switch for beginners as well as veterans who have already tried heavier and lighter switches and want something in the middle instead. Overall a practical switch for both gaming and typing.