Updated with various FAQ (see bottom) -- most interesting, the mechanism is "based on a Japanese Sony-derived architecture and uses an electromagnetic AC erase head." And they detail shipping & customs, too, for us:

Massive power, every format: the BB-777 brings back a boombox icon - CDM Create Digital Music
It was arguably the moment the boombox peaked: the GF-909/GF-777 from Sharp boasted dual cassettes, radio, and massive sound. Now, Bumpboxx has decided to reboot that boom box, with a modern machine that can do everything -- CDs, tapes, radio, USB, Bluetooth connectivity, the works. It could be a holy grail across every generation burned out on soulless streaming and ready to love music all over again.