Morse Code Trainer Card Pro, Portable Interactive LED Light Telegraph Trainer Card with Signal Buttons, Audio Visual Feedback & Record Playback Function for Adult Encryption and Morse Learning

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• 【Dual Audio & Visual Feedback Mode】This Morse Code Trainer Card Pro supports both LED light indication and audio beep prompt, instantly recognizing input signals to help you quickly master coding rhythm, ideal as a professional Morse Code Practice Trainer
• 【Dual Mode-Audio & Silent LED】Practice anytime without disturbing others. Switch between audible beep mode for audio training and silent LED mode for visual learning. Great for libraries, offices and late-night use, fits all practice scenarios perfectly
• 【Built-in Record & Playback Function】】Equipped with recording and playback design, the Interactive Morse Trainer lets you save practice sequences and replay anytime, easily check operation accuracy and optimize rhythm for efficient self-learning
• 【Ultra-Portable & Durable Design】Slim pocket-sized design with sturdy construction for long service life. Easily fits into wallets, bags and emergency kits. Lightweight and rugged, suitable for home, classroom and outdoor practice, perfect for on-the-go use
• 【Simple Operation for All Learners】With sensitive signal buttons and clear LED display, this Telegraph Practice Tool requires no complicated setup, friendly for adult beginners, amateur radio fans and vintage communication enthusiasts