Originally I wrote a favorable review for this device, after 1 week of use. After over a month, I deleted that review and am writing this one to replace it and the reason: poor call quality.My cell phone: a Nokia MusicExpress 5300 with T-Mobile service MAY be to blame, although I have no problems using aMotorola H500 Bluetooth Headset (Nickel)headset with it; other than the way it slips around on my ear. Call quality, was never an issue until I started using this BlueAnt device.Placed on the visor above my head, I've adjusted it over and over again to attempt to maximize the features of the BlueAnt light. Call quality; clarity for the recipient and for me - is very poor. While the device never fails to sync with my phone (the phone is placed in the console cup about 3' from the device), and the buttons on the device are easy-to-use, the poor call quality makes me crazy!I can use this as a bluetooth speakerphone in the house, in a quiet room with fair call quality, but the callers I've spoken with while using it say it's much like a two-way radio with a significant delay and a 'tin-like' voice quality.I have purchased 3 of these; one for me and two for my parents. No feedback from regarding their usage of the device, but they have a different cell phone provider and different brands of phones, so perhaps these issues that I'm having, will not be theirs.Bottom line for me... this was not a good choice and I'm back to hunting down 'the perfect' hands-free bluetooth device. Suggestions?!