Fuhjythy CW Key Trainer Morse Code Trainer Vband Key Trainer Mobile Phone Computer Connector Learning LaKey

The key interface of this product is a 3.5mm diameter key interface! The key plug must be 3.5mm to use this product. Non-3.5mm key plugs require a simple conversion connector or conversion cable. This product is a carefully designed and produced Vband connector, suitable for vband websites and used by VBand software! Stable performance! Easy to carry! The vband website used by mobile phones requires to prepare 0TG adapters or OTG connection cables! This product is used with the website: supports manual keys and automatic keys! Computer version: supports automatic identification of manual keys and automatic keys. The computer installs the practice software Lakey, the default manual key, and the key type is modified when using the automatic key. Click the button Manual in the middle of the software page to select the key. Put the cursor in the Cw box to practice.