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"DSP - still a dream" on by shotblock
Pros: Comfortable, Great Audio for Wearer
Cons: DSP - still not real in a crowded place
Summary: I have a Voyager 510 which has great sound quality on both sides. Why do I continue to buy and test Bluetooth headsets??? Because I'm waiting for DSP to finally work and block background noise for the person I'm talking to.
This headset is equal to the Voyager 510 when in a quiet envirnment but if you're outside and a truck passes by or you're in your car and it's raining - sound quality for the other person is poor.
Sorry Plantronics - I love ya - but you're not done yet..... -
"The Best Looking/Performing HeadSet!" on by CooLVick$
Pros: Looks Excellent, Feels Good, Performs Good; Comes with a USB charging addon.
Cons: Doesn't come in a carrying case and as accessory packed as 640 comes.
Summary: Before I bought the Discovery 655, I was using the Plantronics Discovery 640 Bluetooth Headset and was quite happy with it except for these things:
1. Even though 640 is a tiny headset, I really never liked it's shape.
2. It didn't have DSP [Digital Signal Processing] and that meant occasional noisy conversations.
3. Most of the times you were unsure if the HeadSet got connected to the Charger and it felt as if it would fall out of it.
With the Discovery 655, Plantronics has addressed all these problems and has added some features which everyone would love. I have highlighted the main changes here:
1. Is the best looking heaset around. It's silver black color scheme looks fabulous both when it is on the ear as well as off it.
2. It has DSP, that means clear conversations even in Noisy environments. And Yes! the DSP does work well.
3. Comes with a charger addon which enables you to charge it using a USB Port of your Computer/Laptop. This feature will be loved by Professionals on the go.
4. You can actually feel the HeadSet getting connected with the charger and to confirm that it will vibrate once when the charging actually starts.
Though the 655 doesn't come with the sleek looking carrying case and charger add-ons like 640 came, the headset will still be a best seller and I personally love it
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"Incremental iImprovements on the 640 in many ways" on by msanto
Pros: Very comfortable
Cons: Short battery life; doesn't fit 640 accessories
Summary: The 655 improves on the 640 in many ways ... little things that really help.
a) the 640 was hard to put into the charger and be sure it was charging. Move it around on your desk and it could easily "disconnect" from the charger. The 655 has not such issue and vibrates when it starts to charge.
b) DSP means a better signal, at least as far as I found
c) Very comfortable
Bad things: doesn't come with the nice case + power adapters that the 640 did. However, the adapters are the one accessory from the 640 that can be used with the 655. -
"Nice but gets a big negative for inadequate range" on by svasica
Pros: Lightweight, comfortable
Cons: Range, Flimsy Earbuds, expensive
Summary: I had been using this headset for a couple of days when I discovered that everyone on the receiving end of my calls with the headset said it was difficult to hear me because everyother word would be dropped out. I tried the headset on two different phones with different service providers and it was the same story so the phone(s) definentaly were not to blame. Basically, I could't move more than 2 or 3 feet away from the phone before the bluetooth connection began to get fuzzy and fall out dramatically....it is rated for 33' right?! Also, the earbuds are comfortable, but a PITA because they keep falling off, I had one of them break too! Overall, this headset is a nice unit that needs a fix in the range of operation. I can hear everybody perfectly clear, but they cannot say the same.
Updated
I exchanged the headset and it seems like it works a little better. I can now actually walk a couple of rooms over and it'll work with the headset in the other room. It gets a little staticky, but thats expected. I am now using a KRZR K1m Verizon phone, which pairs with it very quickly and works very well with the phone. The earbuds are only an issue if you like to keep them in the middle or "neutral position". I think Plantronics designed the headset so that the earbuds NEED to be twisted a couple of degrees to lock them into place; once I started using it like that the earbud didn't keep coming off. -
"Person you talk to can't hear you; lots of static on their end" on by Jennifer1822
Pros: comfortable, lightweight, fit well in my smaller ear, I could hear well usually
Cons: the person you talk to hears lots of static; if you move away from your phone more than 5 feet you get static in your earpiece
Summary: I bought this 655 as a replacement for my 645 which got stepped on by someone. I loved the 645 but thought I'd try the "upgraded" model for the same price (thru Newegg).
While it was comfortable, I have used it for a week and no one can hear me talking. Everyone I have talked to this week has complained that all they hear is static or nothing at all. There has also been a lot of background noise and wind affecting it even when I'm just in a relatively quite place like Target. Also, while mostly I could hear well it would have static and cut out on me from time to time. It doesn't have the range that the 645 had.
My husband was so frustrated from trying to talk to me this past week we decided to return it and get my old 645 again, which I have loved and never had any problems with people telling me they couldn't hear me (I had it for 6 months). Also, like other users there is no good case for all the extra pieces, and of course you don't get as many chargers. For those looking to replace the 640 I would highly recommend the 645 over the 655. The 645 seems to have fixed many of the problems the 640 had, while the 655 just got new problems.
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