WITH DISPLAY: Ham radio essential CW decoder with LED display, accurate and intuitive reading, more convenient operation. CHARGING FUNCTION: CW decoder comes with a charging function, which can be charged quickly and is convenient for users to use for a long time. POWER SUPPLY: Morse code reader uses DC7‑12V 500mA power supply, and also adds support for Type C 5V 3.7V lithium battery power supply. PRACTICAL TOOL: Morse code reader translator is a very practical tool that can help amateur radio enthusiasts to better learn and use Morse code. SMALL AND PORTABLE: Morse code decoder small size and light weight, does not take up space, easy to carry around and use, suitable for outdoor.