If you want a really impressive portable optical disc format, consider looking into MiniDisc!
The players are even more impressive (I have one that plays something like 20 hours on a single AA battery), you can re-record the disks via USB using a WebUSB based webapp [1] these days for NetMD recorders, and the disks actually are almost infinitely re-recordable and much more stable than CD-Rs (which are write-once and only last a couple of years).
The players are even more impressive (I have one that plays something like 20 hours on a single AA battery), you can re-record the disks via USB using a WebUSB based webapp [1] these days for NetMD recorders, and the disks actually are almost infinitely re-recordable and much more stable than CD-Rs (which are write-once and only last a couple of years).
[1] https://stefano.brilli.me/webminidisc/