Feature: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. Its compact design allows for convenient transport and storage, making it a good choice for field manipulations and portable setups.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. There's no need for complex setups, ensuring broad compatibility and user friendly operating.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. This combination of style and functionality caters to tech savvy users seeking both form and function in their equipment.Specification:Item Type: CW Morse Code Key Material: PCBConnection Method: USBChannel Number: 2.Package List:1 x CW Keyer Automatic Trainer1 x 3.5mm Sound Cable1 x Manual1 x Storage Box