Trihexagonal
Headphoneus Supremus
I still have mine and use it to listen to the radio with. I can get about 24 hours radio playtime out of 2 AA batteries. This is it with my Bose earbuds:
Notice the buttons on the side for the cassette player the back of it opens up into.
Notice the buttons on the side for the cassette player the back of it opens up into.