Features: Hot plug shaft seat: support DIY shaft replacement, full keys shaft body can be replaced, and support triple and five pin shaft bodies to meet users favorite DIY shaft bodies. RGB dynamic backlight, with 20 built-in backlight modes FN+PrtSc: switch 20 different backlight effects, freely adjust brightness and luminous speed, and support customized storage of four groups of lights. Support three mode link (wired / wireless 2.4G / bluetooth-compatible 5.0), bluetooth-compatible can connect three devices simultaneously. The full keys has no impact and is not afraid of various combinations of keys, pressing the full keys simultaneously can quickly correspond to each other without conflict, and the operation is fast. Ergonomic design, the two keyboard brackets provide comfortable typing angles, effectively reducing the burden on the wrist The keycap is made of quality PBT material, which has a fine feel and is wear-resistant and oil-resistant, so that the mechanical keyboard has an excellent touched experience and a longer service life. Specifications: Material: Plastic Shaft Color: Blue Switch, Red Switch(optional) Size: Approx. 32x13x4.3cm/12.6x5.12x1.69 inch Model Name: SK84 Mechanical Keyboard Connection: Bluetooth-compatible 5.0, 2.4Ghz and Type-C Layout: 84 Keys, 75% Layout Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Keyboard