<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><table class="ke-zeroborder" width="100%" cellspacing="0" cellpadding="0" border="0"> <tbody> <tr> <td> <br /> <div style="padding:15px;border:1px solid #AEAEAE;"> <span style="color:black;font-family:inherit;font-size:12px;">K4 Key Exerciter CW Hand Key Oscillator Manual CW Key Oscillator Morse Code Telegraphy Morse Key Trainer Morse Code Practice Sending HAM<br /> </span><strong>Feature:</strong><br /> <strong>1. Ultra-Portable Design:</strong> The CW hand key oscillator is smaller and thinner than a standard eraser, making it incredibly portable. It easily fits into pencil cases, backpacks, or pockets, allowing you to practice Morse code anywhere without taking up much space.<br /> <strong>2. Versatile Power Options:</strong> This CW key trainer features a convenient TYPE-C connection, enabling it to be powered by phone chargers, laptop chargers, power banks, or computers. This flexibility ensures you can find a suitable power source indoors or outdoors, adapting to any situation.<br /> <strong>3. Auditory and Visual Feedback: </strong>The manual CW key oscillator not only emits sound through a buzzer but also features a green LED that lights up in rhythm with your keying. This dual feedback system helps beginners grasp timing while allowing experienced users to visualize their unique Morse code style.<br /> <strong>4. Comprehensive Compatibility: </strong>The Morse code telegraphy device supports vertical hand keys, horizontal paddles, and various semi-automatic keys, making it compatible with all forms of manual keys. This versatility ensures that you can master Morse code using your preferred operating style.<br /> <strong>5. Enhanced Practice Experience: </strong>The Morse key trainer is designed to help users of all skill levels improve their technique. Whether you're a beginner or an experienced operator, this device provides the tools you need to refine your skills and avoid developing bad habits.<br /> <br /><br/><br/><span><strong>Specification:</strong></span><br /> <span>Origin: Mainland China</span><br /> <span>Compatible Audio &amp; Video Equipment Style: Digital-to-Analog Converter (DAC)</span><br /> <span>Material: PC<br /> Product size: about 35.00x17.00x10.00mm<br /> Product size: 1.38x0.67x0.39inch<br /> </span><br /> <p> <strong>Note:</strong><br /> Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!<br /> Please allow a 1-2 cm difference in measurements due to manual measuring. </p> <br />&nbsp;<br /> </div> <br /> <div> <br /> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> 1 x CW Hand Key Oscillator <div> <br /> </div>&nbsp;<br /> </div> <p> <br /> </p> <p> </p> <div style="text-align:center;"> <div> <span> </span> </div> </div> </td> </tr> </tbody> </table> <br /></div></div>