Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great speaker.... terrible Microphone

I've used the Polycom 300 for about 6 months now and my experience has been very mixed. The sound from the speaker is great. However, everyone I speak to with this phone complains that my voice sounds like I'm talking from inside a sea-shell or a tin can.They have trouble hearing me and I find that I have to hold my head about 10 inches from the mic in order to be heard clearly. People hate talking to me when I'm on this phone.Unlike the digital polycom units, this one doesn't have external microphone inputs... so there's really no way to remediate the poor sound with a better microphone.It is what it is.My recommendation would be to consider other products before this one - or at the very least, wait for the price to go way down.