Specifications:

Model: K4 Hand Key Exerciser

Dimensions: 35mm x 17mm

Power Connection: 3.5mm small plug (6.5mm large plug not compatible)

Energy Source: No batteries required

Application: Morse Code practice for HAM radio enthusiasts

Features:

1.Compact and Portable Design:

The K4 Hand Key Exerciser is designed for convenience, fitting easily into your pocket or bag. Its lightweight and small form factor make it an ideal tool for on-the-go Morse code practice.

2.Simple and Efficient Circuit:

Featuring a straightforward and efficient circuit design, the K4 ensures that you can practice your Morse code transmission without any unnecessary complications. This makes it suitable for both beginners and experienced operators.

3.Energy-Saving and Eco-Friendly:

This exerciser is energy-efficient, as it does not require batteries to operate, thereby reducing waste and making it an eco-friendly option for your Morse code training needs.

4.Dedicated for Hand Key Practice:

Specifically designed for hand key Morse code sending, the K4 provides a focused training experience. It is excellent for enhancing your manual keying skills, aiding in more effective learning and practice.

5.High-Quality Construction:

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