I have a pair of ER-6 earbuds that I never use since I broke my MP3 player but I tried them 10 minutes ago and the right earbud was almost completely dead. I tried it on my stereo connected to my PC, and then the PC directly and the earbud was still dead. Then I took it to the stereo upstairs and I don't know if it suddenly started while it was in my hand (and not my ear) or if it worked as soon as I plugged it in but now it seems to be working everywhere again. ...................