This is a compact 3-key keyboard (left-handed device/macro pad) with a rotary knob. Unlike standard listings, **"replacement blue switch"** is also included as a bonus! Highly recommended for those who want to customize it to their liking. 【Product Contents】 • Left-handed device body (USB Type-C connection) • Connection cable • Bonus: Replacement blue switches x 3 【Key Switches】 • Installed on the body: Red switches (linear) Silent type that doesn't make a clicking sound. Perfect for office work, nighttime work, gaming, and streaming while connected to VC. It has a smooth and light feel. • Included bonus: Blue switches (clicky) Clicky type with a tactile feel. You can replace them when you want to enjoy the typing feel or when you want a solid pressing sensation. 【Convenient Uses】 Assigning shortcuts with dedicated software dramatically increases work efficiency. • Illustration: Canvas rotation, brush size change, undo (Ctrl+Z) • Video editing: Timeline movement, cut, frame advance • PC operation: Volume adjustment, skip track, page scrolling, copy and paste • Games: Rhythm games like OSU! 【Settings】 PC settings are required to assign keys. (You can find general-purpose software by searching for "3 key mini keyboard software" etc.) 【Shipping】 We will carefully pack it with water damage protection and ship it promptly. How about it as a space-saving device for your desk or a time-saving gadget for your work? Instant purchase is OK!