Strengths: excellent sound quality, decent volume on calls as well as music. The bluetooth stereo function is amazing in clarity. It seems to have a very serviceable battery life as well.

Weaknesses: it's not rated for multi connect

Summary: Overall I am fairly pleased with this headset, and I have tried more than a few. I wish it had an over the ear piece like the 220, but you can't have everything. I know, I've tried. +++ the main earpiece speaker became impossible to hear, with unnecessary pops and crackles. Plantronics drop shipped a replacement within 48 hours. No questions asked. I was amazed.

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Strengths: Clear voice in my ear and my voice is clear to others. It comes with three ear bud sizes so you will find one that works for you.

Summary: I truly enjoy this ear piece. It is very well made and surprisingly lightweight. I wear one all day and this one makes me forget I have it on at all until it rings.

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Strengths: Quality equipment. Good on-line documentation available. Unit has a fast reaction time when picking up calls. No problems sync'ing with a PC and phone at the same time. Drops PC to answer phone. Good voice quality

Weaknesses: I try and use it with an older (Treo 650) phone. Naturally not all headset features are available - not a headset problem. A little too easy to turn off when manually trying to pick up a call. Can overdrive the speakers at times when listening to music.

Summary: I purchased two of these, one for myself and another family member. I would purchase another if the need arose. I've always been happy with the Plantronic products. I wish it shipped with a USB charging cord as the idea is to be portable and free. I hammer it pretty hard daily with extensive phone talk time. The ability for a quick power shot from the PC or car charger would be nice. I have run the headset batter down some days. I play the road warrior game. I'm normally on the road at Panera's, Starbucks, the library or other convenient Wi-Fi spot to work. I'm often feeding the headset a signal from the PC using itunes when writing or working. Calls have no problem jumping to the phone for a call. Overall, I'm very happy with the headset. It works well, has good sound quality, and works as advertised. I would purchase it again. On another note: I'm also pleased with the CostCentral price and speed of filling the order.

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Strengths: Stereo sound effect, clean in-ear capabilitles

Weaknesses: quality of sound when both earbuds are in. loss of signal after only 10feet! Not good!

Summary: I wish the sound quality would be better than what it is now....it sounds so tinny and weak, and increasing the volume does not help.

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Strengths: Good

Weaknesses: ear hook seems fragile

Summary: Sleek loooking. Good receiption. No echo whatsoever. Must have item.

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Strengths: Good sound quality, stays put well, easy to sync with phone

Weaknesses: More frequent echo effect and longer delay than my old Motorola headset.

Summary: Overall I am very happy with this headset. It is comfortable enough to wear all day. Great noise cancelling on the microphone.

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Strengths: Can be stereo & mono. Battery life is fine.

Weaknesses: Not fit good enough into my ear (however I always has such issue). Sound quality is not good enough sometimes.

Summary: Quite fine headset with useful ability to become stereo one. But sound quality might be slightly better.

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Strengths: Very clear incoming and outgoing sound. Easy to wear. Ear bud did great job at blocking out peripheral noise. Good battery life.

Weaknesses: Doesn't stay in your ears as well as the 6XX series.

Summary: Excellent headset. Stereo sound is a novelty, but not very useful as a phone headsets. Highly recommended.

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Strengths: works well, easy to use, good ear fit, great battery life.

Weaknesses: I can hear other people really well, but when it is loud outside they can't hear me so great. Annoying that the charger isn't a standard mini usb connection.

Summary: I got this to use on the bus going home from work with my ATT Tilt cell phone. It pairs great and I get stereo sound that mutes when I get a call. I didn't like the rubber ear pieces that came with the unit so I used bigger ones that came with another pair of headphones I had. When it is in my ear I am very well shielded from outside noise and can ear the music/people on the phone really well. However, if it is really loud outside (like it is on the bus), other people can't hear me so well.

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