1. Compact size, as small as an eraser, with excellent portability.
2. Powered by Type-C, ensuring worry-free use indoors and outdoors.
3. Synchronized audio-visual cues to enhance rhythm training.
4. Compatible with multiple hand keys for flexible operation.
5. Simple structure, plug-and-play design for easy setup.
This trainer is simple to use and easy to carry. Powered by either a smartphone or power bank, it serves as a highly practical and efficient key trainer. Featuring just two ports—one for power and one for connecting your key—it instantly launches your CW training journey. Its structure is exceptionally straightforward.
Power Interface: Type-C
Key Interface: 3.5mm
PCB Dimensions: 35mm x 17mm
1. Type-C Power Interface: Powered via a single Type-C port. Connect to a smartphone charger, power bank, or any USB-powered device using a cable with a Type-C connector. Note:
The red power indicator will remain lit when powered on. Some fast-charging adapters may be incompatible, but most smartphone chargers are suitable.
2. Handheld Microphone Interface:
The trainer features a 3.5mm handheld microphone port, compatible with standard 3.5mm plug microphones or adapters for other plug types.
3. Indicator Lights:
- Red power indicator: Remains lit when power is correctly connected.
- Green operation indicator: Lights up when the hand key is pressed during operation, provided both power and hand key connections are correct.
Buzzer:
This trainer uses a buzzer to produce audible feedback for the CW code you tap out.
1X Module
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Ple
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication
When you satisfied with our product and services please leave us positive feedback.
If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay.We will maill bakc within 24hours