Condition：Very good!!
This item is in good condition with no noticeable scratches or stains.
I confirmed that it works properly.
GHD key GR301A/er transmission training machine New and unused.
・Since it has a built-in keyer, you can connect the paddle and practice electric keys and electric bugs.
・You can practice transmitting by connecting the vertical key or bug key with the included cord and using it as a transmitter.
・Recording and playback are also possible when using electric keys.
・Comes with monitor sound from speakers.
・Auto sleep function eliminates the need for a power switch.
・Operates with 2 AAA batteries
・Equipped with earphones and an earphone terminal.
・Accessories include a cord with a mini plug for connecting to the key, an instruction manual, and earphones.
*2 AAA batteries are not included.
<About optional parts GOP301>
If the vertical key already has a monaural plug, an additional replacement cable (GOP301) is required.
You can purchase GOP301 products from the URL below.
https://www.ebay.com/itm/355451637518