Pros / The volume of your call automatically adjusts to the level of background noise so that you can clearly hear your caller.

Cons / It doesn't come with a portable charger.

 Verdict / The Jabra Motion provides excellent voice quality and noise reduction, but the unbalanced bulkiness undermines the typically stable behind-the-ear wearing style.

Editor's Note: This review has been removed from our side-by-side comparison because it no longer ranks as a top 10 product. The original review is below, but check out our current Bluetooth Headset Reviews here.

The Jabra Motion features sound-adaptive volume control so that your call quality adjusts to your surroundings. This adds to the above-average audio quality on both sides of the call. The design makes it one of the bulkier Bluetooth headsets that we reviewed, making it unlikely that you'll want to wear it all day.

In our voice quality tests, the Jabra Motion scored an excellent 95 percent. In the tests, we had the caller recite poetry as we wrote down what we heard. There were only a few mistakes. It's one of the few Bluetooth headsets that automatically adjusts the volume to compensate for background noise. For example, if you're in your car, where it's relatively quiet, and you exit onto a noisy city street, the volume increases so you don't have to ask your caller to repeat themselves.

The Motion features the dual-mic Noise Blackout system that's used in each Jabra headset. However, while other Jabra headset performed poorly in our noise reduction test, the Motion scored an excellent 90 percent. It didn't entirely black out the background noises. Instead, the background noises sounded more like ambient distortion, allowing the voice to emerge clearly.

The bulkiness belies the behind-the-ear fit, which is typically the most comfortable and secure fit. It's the biggest headset we reviewed at 0.62 ounces – three times as heavy as the lightest Bluetooth headsets. It's so unbalanced that we were able to shake it off pretty easily. As such, it only scored 75 percent on our stability tests, which tested how well the Bluetooth earpieces stay on during common tasks like shaking your head, running up the stairs and jogging. The score is average, but disappointing considering that all the other behind-the-ear headsets we reviewed proved to be unshakeable.

The Jabra Motion has most of the hands-free features you'd expect for a Bluetooth headset, except the Audio/Visual Remote Control Profile, which allows you to control compatible media devices from the headset. Without it, you can't skip a song on your phone or pause a video on your tablet directly from the headset. The lack of the AVRCP Bluetooth profile isn't a major issue, though, because entertainment usage is a secondary purpose of a Bluetooth headset.

One of the significant downsides is the lack of a portable charger. The talk time is seven hours and the standby time is 15 days, which is excellent, but the best Bluetooth headset are able to add 10 to 18 hours of talk time with charging cases. Without a charging case, you have to plug it into a wall or car charger, which is inconvenient when you're on the go.

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Summary

The Jabra Motion has excellent voice quality and noise reduction, scoring 95 percent and 90 percent respectively in our tests. It's one of the few Bluetooth headsets with automatic volume control. It's also the bulkiest and most unbalanced hands-free Bluetooth headset we reviewed, making it less stable than other behind-the-ear models.

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