This is just awesome, TRS-80 Bluetooth. We had a TRS-80 Model 100 when I was a kid. If I remember right that was the first modem I ever used, speeding along at 300 baud!
It was a very portable machine though. It had a usable keyboard and didn’t require a suit case to carry it. Battery life was good and it used regular 4 double AA batteries, so extra batteries were easy to find :-)
The down side, for long term storage we used audio tape. That’s a storage format that I don’t miss.