Rating: Summary: Unusable Review: I bought this to replace the headset that came with my cordless phone, which was having intermittent connection problems. I tried talking to several people with the M130, and none of them could hear me. I tried every adjustment I could think of, turned the mic volume up to maximum, and the best results I could get was people could hear a faint voice but could still not understand a word I said. Unfortunately, I bought two of these for my two phones, and they both worked the same, so it seems to be a design flaw. The mic boom is too short and/or the mic amplification is way too low.
Even with the intermittent connection, the cheap headsets that came with my phone are infinitely better than the M130. This just proves that you can't depend on brand names like Plantronics to always create good products.
Rating: Summary: Big bang for the buck Review: I have to say I'm very pleased with this little piece of equipment. I did not have any issues with the microphone volume. In fact I'm using it on its lowest setting and everyone hears me loud and clear. I only gave this four stars because the earpiece is a bit tricky to adjust and have it stay there but once you get the hang of it, piece of cake!
What more can you ask for just 20 bucks!