Features: 21 keys compact layout, equipped with detachable Type-C cable, saving space, easy to carry and use. Designed with linear mechanical yellow switches, no paragraph sense, straight up and down. RGB backlight effect, easy to switch backlight mode, brightness, etc. Double-layer translucent pudding keycaps design, not easy to fade and wear, comfortable to type. Suitable for cashier desk, bank, stock exchange, school, etc. Specification: Brand: iBlancod Model: K10 Color: Blue/Black(optional) Mechanical switch: Yellow switch Key number: 21 Working voltage: 3.3V-5.5V Item size: 13.34 * 8.76 * 4.16cm /5.25 * 3.45 * 1.64in Item weight: Approx. 164g /5.78oz Packing list: 1 * Keyboard 1 * Type-C cable 1 * Key puller 1 * User manual