Model: AJAZZ AK690 (Mechanical Keyboard). Size and Design: Compact 68-key layout with an ergonomic design. Switches: Full-key Hot-swappable, comes with Melard Switch MC and transparent keycaps. Control and Lighting: Supports multi-color backlight, equipped with a multi-function metal knob for volume or lighting control. Operation: Plug-and-play. Selling to the highest bidder.