Capacitive non-contact method without chattering, ideal for high-speed input, ideal key touch and long life without getting tired even after long-term use Multi-platform design that supports Bluetooth connection and USB connection (Type-C). In addition, it is a keyboard that sticks to everything, such as rational keyboard layout and 3-step tilt adjustment. * USB cable (Type-C) is not attached to this product. (Please use a commercially available USB cable.)