NZWBSHSSP Morse Code Trainer Card Pro, Portable CW Practice Keyer with Audio Buzzer & LED Light, Pocket-Sized Telegraph Tool Oscillator Record Playback for Ham Radio Beginners

【Professional Tool】Equipped with instant dual audio visual feedback , this morse code trainer card helps you quickly learn Morse code . When you press the tactile buttons , the device illuminates the corresponding letter on the built in chart and emits a beep 【Portable Pocket Size】Our morse code trainer card device is slim and compact , designed to fit in your pocket . It is sturdy and enduring , easily slipping into a wallet , backpack , or emergency kit 【Built in Reference Chart】No complicated setup required . The front of the device features a high definition Morse code chart , providing visual guidance throughout the learning process . Whether you're a beginner or a radio enthusiast , you can get started quickly . Simply turn it on to begin training , the step is intuitive and easy to understand 【Dual Mode Switching】The morse code practice card supports seamless switching between audio and silent LED modes , ensuring you won’t disturb others while practicing . The audio beep mode is ideal for auditory training , while the silent LED mode is ideal for visual recognition exercises 【Record and Playback Function】Record your own Morse code sequences and use the playback function to check your rhythm , spacing , and timing . Identify and correct flaws in your technique in real time , helping you learn telegraphy skills with precision and efficiently improve your Morse code proficiency