1. Responsive Double Paddle Design: Designed with excellent PCB materials and mechanical switches, this double paddle Morse code key ensures a highly sensitive touch and quick bounce back, providing a slick operating experience for both seasoned operators and beginners alike. 2. Compact And Portable Design: The mini CW automatic Morse key is lightweight and easy to carry, making it suitable for busy operators on the go. 3. Nd Magnetic Base: Equipped with four powerful Nd magnets, the CW keyer automatic trainer's base securely adheres to metal surfaces, preventing any movement during use. This design guarantees a stable and uninterrupted Morse code operating experience, even in dynamic environments. 4. Universal Connectivity: Featuring a universal 3.5mm sound jack and a Type C interface, this magnetic automatic keyer connects effortlessly to smartphones, computers, and HAM radio equipment. 5. Advanced Circuit Board Materials: Crafted from excellent circuit board materials, the automatic Morse code key boasts a slick, modern design that enhances the aesthetic appeal while ensuring durability. Specification: Item Type: CW Morse Code Key Material: PCB Connection Method: USB Channel Number: 2 Color: Black Package Contents: 1*CW Keyer Automatic Trainer 1*3.5mm Sound Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.