1. Configuration of horizontal and vertical two USB ports, to meet the design or entertainment when the different use of the placement needs (use any one, can not be used at the same time) 2. 12 keys + 2 knobs, each key and knob clockwise, counterclockwise knob, knob press can be customized functions 3. LED multiple light effect settings 4. Ultra-thin design, the bottom is equipped with a silicone non-slip pad, easy to use and stable 5. Toggle switch to control the use of the keyboard, the keyboard operation is invalid after closing 7. Widely compatible, plug and play, no driver required, easy to operate 8. Number of keys: 12 keys + 2 knobs 8. Cable length: about 1.5m 9. Size: about 13.85 x 7.68 x 1.45cm