Strengths:Allows BOTH Bluetooth phone use AND Bluetooth audio streaming directly from A2DP-compatible sources
Relatively light-weight
Looks great, high-tech; minimalistic design makes operation intuitive
Weaknesses:Recharging base a bit awkward
Fold-in design counterintuitive and doesn't compact headset as much as comparable headphones
Telescoping microphone short, isn't flexible
Not the best audio quality
Posted Mar 8, 2006 - After putting in countless hours of research into Bluetooth audio streaming, I finally settled on what appears to be the best of the two or three headphone/headset-type products to deliver such a feature, and the product (surprisingly) lives up almost completely to my expectations.
BLUETOOTH AUDIO STREAMING PRIMER
First, a little background on Bluetooth audio streaming for the tech-impaired. Bluetooth is a wireless technology that, unlike infrared, does not require line-of-sight access (meaning that you can keep your MP3 player or phone in your pocket or even in the other room) and, unlike WiFi, is merely a local connection for interaction between two of your personal devices. It has most commonly been used for mobile phone headsets, allowing someone to use such a headset without cords, something that greatly increases usability (as those who've used a corded headset can attest).
I'm on my second Pocket PC Phone (now called Windows Mobile Phone) and have long wanted to have not only cordless access to the phone, but cordless access to the music too. It would seem that if the former can be done, the latter should be a no-brainer. Unfortunately, in fact, almost NO Bluetooth headsets can be used for this purpose. There are "Bluetooth headphones" out there that not only have no phone functionality but also don't connect directly with your device but rather with a separate adapter you must connect to the audio port of your device, which partially defeats the entire purpose.
It boils down to Bluetooth "profiles," and the profile used for phone communication is different than the one for audio streaming (known as "A2DP"). What I wanted was a single headset that (a) could communicate directly with my Pocket PC as a phone headset, (b) could communicate directly with my Pocket PC as headphones to listen to music or for watching videos, and (c) could communicate with my non-Bluetooth MP3-player via the audio port.
THIS headset DOES accomplish all three of these things...with one caveat. The device you're using to stream audio MUST be Bluetooth enabled WITH the A2DP profile in order to stream directly to the headphones without having to pass through a separate go-between device.
As of March 2006, only a few Pocket PC's, MP3 players, and other mobile devices have this A2DP profile; most Bluetooth phones (mine included) only allow for phone-headset use. Thus, I had to find and download a patch for my Pocket PC's Bluetooth stack to add this functionality. Fortunately, this solution worked easily and flawlessly, which is important given that unofficial patches in general (for other needs/devices) have caused me headaches more often than not.
If you are using a Pocket PC 2003 Second Edition and it uses the "Widcomm/Broadcom Bluetooth stack," search on "Broadcom Bluetooth Stack Patch for PDA2k Pocket PC Phones" in a web search-engine and the first link or two will allow you to download this patch. You CANNOT use this patch if you have the Microsoft Bluetooth Stack.
How do you know which stack you have? Turn off Bluetooth by clicking on it and selecting "Turn Bluetooth Off." If you see a red X in the lower right-hand corner, you have the Widcomm/Broadcomm stack. If you see a line through the Bluetooth icon, you have the Microsoft stack and cannot use this patch—in other words, no audio streaming for you!
Windows Mobile 5.0 will, beginning soon, have built-in A2DP functionality; otherwise, implementation is spotty across the market. And don't buy a Windows Mobile 5.0 device expecting that you can download an update to give you A2DP. It's up to each manufacturer whether to release such an update, as Windows Mobile is specific to the design of the device, and you may end up out of luck.
FUNCTIONALITY
Once you're set up, the hard part is over. There are three ways you can use this headset. EVEN if you don't have a Bluetooth device, you CAN use this with the adapter to connect to ANY audio device (such as a Walkman or MP3 player). If you DO have a Bluetooth phone, you can use it as a cordless headset. Best of all, if you have an A2DP-ready device, you can stream audio DIRECTLY from the device to the headphones. The only drawback is that you can't do connect audio BOTH to a Bluetooth A2DP device AND the included audio adapter at the same time, a minor drawback. You CAN, however, connect to both a Bluetooth phone as a hands-free headset AND an audio device (A2DP *or* using the adapter) SIMULTANEOUSLY, EVEN if it's the SAME device doing double-duty like my Pocket PC Phone. In fact, when I answer a call, it automatically pauses audio playback while I'm talking and restarts it once I hang up—very cool indeed!
I'm out of space here, but suffice it to say that I quite like this product and recommend it to anyone looking for a REAL solution for Bluetooth audio streaming.
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