3 Connection Mode: This modular mechanical keyboard supports 3 connection mode, including BT 5.0, 2.4G wireless and Type C wired connection. 65% Layout: This mechanical keyboard kit adopts 65% layout, please select keycaps that support 65% layout(switch and keycaps are not included). Low Noise: This customized keyboard kit adopts soundproof silicone at interlayer and sound absorbing sponge at bottom, suitable for home, office and dormitory. High Hardness: This custom mechanical keyboard adopts ABS housing and thickened double layer printed circuit board, which ensure longer hot swap service life. Hot Swappable: This custom gaming keyboard adopts hot swappable switch bed, easily build up your own mechanical keyboard with any switch and keycaps.