I had to check to make sure this wasn't the roll-up keyboard we'd talked about before, but despite a similar design, this model from Tianyutek (?!) does appear to be unique. As their name might hint, they've got some Engrish bombs in their ad copy:
3. The international normal musical scale demands, will bring you the normal sounds.
4. Input 100 kinds of tambers for your choices.
6. With input 10-demo music for your study and enjoy the sutra chef-d'oeuvre.
8. Input speaker with tamber fruity and silvery.
9. Connect head phone with the outer sounder.