I just started using a Plantronics 975 and the outgoing sound quality is definitely quite good (as everyone here already knows). The incoming sound is slightly digitized but it's not that bothersome.
I am, however, having a potential dealbreaker issue with the battery life. I'm quite sure that I can't get more than 2-2.5 hrs talk time + 6 hrs standby (combined), whereas I need a good 3.0-3.5 hrs talk time + 9 hrs standby (combined), something I used to be able to get from my BlueAnt Z9i.
Does 2-2.5 hrs talk time + 6 hrs standby (combined) sound about right or do you think I got a defective (or at least underperforming) one? I really want to try to keep this headset but I won't be able to do so if it keeps this type of battery performance.
Chuck - I suspect you'll chime in here, as I know that you're the Plantronics expert
I can't chime in...I don't have, and have never used a 975. I do have the Pro, which seems to be the same thing, but with the giant battery life, so if the 975 doesn't work out I can definitely recommend the Pro.
My thoughts are leaning in this direction...for all its strengths the 975 is tiny. I mean physically. The headset is hardly bigger than a large earring. So, how big could the battery be? The charging case has its own battery for "top ups" so the tiny internal battery can last through the day.
Wirelessly posted (Samsung Ophone : Opera/9.5 (Microsoft Windows; Windows CE; Opera Mobi/9.5; U; en) VZW:SCH-i910 PPC 240x400)
i get about 4 hours of talk on my 925 but the noise reduction may use more juice on the 975. i dont keep it on when not in use so I dont know standby or combo time.
WirelessAndy is the 975 guru,but I respect Chuckknights opinion immensly as well.
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I leave on my Pro while driving...and I drive a LOT. Part of living in Texas is that everything is a long way away.
I routinely get all day of use out of my Pro, and a few days more of standby...but I'm not *talking* on it the whole time. I find its battery life to be slightly less than that of the 510, but only slightly, if that tells you anything.
If the 975 gets the battery life it claims, I would be positively amazed...the internal battery can't be bigger than a baby aspirin. BUT, Plantronics is known for actually delivering the goods...not for making false claims.
Thanks for everyone's thoughts thus far. Of course, talk time eats up a lot of the battery life and I am on the phone a good 2.5-4 hrs per day (or more). I honestly don't believe anyone's specs (including Plantronics), as those times always seem inflated (same as with laptops, cell phones, etc).
Does anyone have any day-to-day experience using the 975 for a few hours of talk time for comparison? I would be glad to exchange the one I have if it's got battery issues but I don't want to bother if it doesn't...
Wirelessly posted (Samsung Ophone : Opera/9.5 (Microsoft Windows; Windows CE; Opera Mobi/9.5; U; en) VZW:SCH-i910 PPC 240x400)
the amount of dsp needed can make a huge difference. if your dsp is kicking in constantly that could do it.
me personally? if its an easy exchange Id do it in a heartbeat.
Last edited by MountainBikerMark; 07-28-2010 at 08:22 PM.
FWIW, I happen to use my Plantronics for back-to-back conference calls as soon as I started my day (literally as soon as I turned it on) and it only lasted for 2:46, which is crazy considering there was no standby involved. I was in my office with the door closed so the silence should have created minimal DSP.
I'm going to try exchanging this one to see if I got a bad one. In the meantime, BlueAnt just introduced a new headset - the Q2 - that they are claiming is their best headset yet. I'm going to give that a try too.
I use my bluetooth for really long periods of time w/ my gf. Last month my talk time was 3.5 hours till it gave me that low battery signal. Now I get that low battery signal in 2.5 hours...
My guess is that lower talk time isn't due to the unit, but to the nature of Lithium-based batteries. Lithium does have a capacity loss over time, which gives a lower talk time...
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