Type-C version manual K4 key trainer, CW hand key oscillator, Morse code practice reporting HAM

The product has been improved to give customers a better experience:

Upgrade the round buzzer to a square buzzer.

Although the cost has increased a little, there has been a big change in the user experience.

For example: stable sound output, good sound consistency, louder volume, etc.

At the request of the majority of CW enthusiasts and several old customers,

We have recently launched two ultra-portable manual electric key exercisers, which are our TYPE-C version of the exercisers.

Main features and advantages:

1. The size is smaller than the ordinary eraser and the thickness is thinner than the eraser. The extremely small size makes it extremely portable. Whether it is stationery boxes, schoolbags, briefcases, button boxes or even pockets, they can be put down. Considering that most cases need to be carried out, they often carry electric keys, their volume is almost negligible compared with electric keys. And it will not take up too much space when using it. As long as the keys can be discharged, there will be a place, which also makes enthusiasts choose the place to use more freely.

2. As one of the most common power interfaces, the TYPE-C interface allows it to provide power through mobile phone chargers, laptop chargers, mobile power supplies and even computers, free from the shackles of charging methods. You can find suitable power supply methods indoors and outdoors to easily cope with various usage scenarios.

3. During operation, not only the buzzer will sound, but the green LED light will also light up with the rhythm, and the sound and light will follow, and the rhythm can be easily controlled. For beginners, whether it is following the recording practice or the self-reporting practice, the double tips of hearing and vision can help to deepen the understanding of rhythm, correct technical errors in time, and prevent QSD (bad hand) practice. For veterans, daily practice can not only no longer rely on larger radio stations or traditional exercisers, but also visualize their rhythm. CW is both a language art and a musical art. Everyone's rhythm has a unique personal style. After visualization through the eye-catching green LED lights, everyone's rhythm style is also more pleasing to the eye.

4. Hand keys that support vertical operation and sweeping keys and mechanical semi-automatic keys that support horizontal left and right operation, and other forms of manual electric keys are also made into one "devisor", without compromising with any manual electric key, no matter what operation method can be easily mastered with the help of this exerciser.

Package weight: 18 g

Package size: 75mm*75mm*30mm

Packaging method: cardboard box