Ajazz AK820 Hot Swappable Wired Mechanical Keyboard With Light 1. Layout: 75% of columns + metal knobs 2. Plug and play: full key hot plug and play 3. Structure: Gasket structure 4. Under-axis cushion: IXPE eight times foam + PET acoustic pads 5. Sandwich cotton: EVAPORON cotton 6. Bottom foam: silicone padding + sponge 7. Satellite shaft: A series satellite shaft 8. Positioning plate: PC positioning plate slotted (horizontal slotted) 9. PCB: 1.2mm 10. Keycap: PBT 11. Weight: about 750g 12. Size: about 32.7 x 13.6 x 4cm Features: 1. 3 professional backlight modes, press Fn+1-3 to enter different lighting effect modes 2. Type-C wired connection, plug and play, detachable design, easy to store and carry 3. Ergonomic design, dual-layer adjustable feet 4. Silicone bottom pad sandwich cotton, 5 layers to fill the gap between the shaft, effectively reduce the noise generated by the knocking shaft, feel more solid 5. Hot-swappable upgraded TTC socket, support 35-pin switching device. 6. Metal volume control knob