These are some really cheap basic cases designed exclusively for the Heltec V3. They've got an extension on
the side to fit the "spring" antenna that comes with the V3, and openings on the back and side to connect a
USB-C cable or small (JST1.2) battery pack. There are also buttons on the front to press the USR and RST
buttons on the board inside, and the LED lights are fairly easy to see through the case.
It's a very basic case but it works fine to house and protect the V3 board. But it can't house an internal
battery, and you'll need to cut another hole in the case if you want to connect an external antenna.
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