I ordered this product there a few months now. The first ordered was not working, I had to send it back. Next we worked until I returned yesterday. Yet I tried to leave it plugged much time on my PC, for fear of breaking it precisely. It's hard enough to connect and disconnect a USB port unlike other devices. I tried to gently ca was not enough. Note that this is not by unplugging I've broken it stopped working all alone as a great, without shock or anything that could affect my opinion. This is unfortunate, because I had struggled to find a Bluetooth dongle that works on Win 7 64 Bit. Too bad, I give up the bluetooth!