Listen to music while walking/running/biking safely.
586071
The Diver ear-free bone conduction waterproof Bluetooth headset works as described with the added benefit of being so comfortable. I have a difficult time finding earbuds that don't drive me crazy, so these are perfect. Now I can safely walk the dog, play, shop, and bike while listening to music or an audio book and still hear traffic and the people around me. Safety first! I love it! Thank you.
2605035
These stay on very effectively and are great for listening to music or podcasts during physical activity. They're also less cumbersome than many earbuds with the over-ear style.
2894689
I love this.  It fits nicely on my handle bars and now I can keep my phone in a safe place and listen to my music while on my rides.  I am able to use the phone through the plastic and there is a pocket behind the phone compartment in which I keep my car keys and sometime I bring a small portable speaker to hook my phone up to.  My keys and my speaker both fit in the pocket.
1877146
Good way to enjoy outdoor music. Good volume,  wish it had a little more base, but I'm satisfied with it.
I use it with my Pandora account on my phone while outside. If you get a phone call, it stops and you can answer via the turtle speakerphone.
1328525
Great for walking & listening to podcasts, while still being aware of cars, other people etc. With this earbud, you won't zone out and get creamed by a driver when you step off a curb without looking.

Gets a little crackly sometimes when your phone is in a pocket, so you may have to put it in a closer pocket. All in all, I really like it and it is comfortable to the point I can't feel it.
4683157
I brought my bike out to Colorado where I'll be working for a few months.  Denver has a very cool network of bike paths and it's not a well kept secret.  There are runners and cyclists of all abilities all over the trails and you need something like this to notify slower bikers and runners that you are about to overtake them (so as not to surprise them).  It's also a good way to remind people goofing off on the trail that the trail is for bikes, and being impacted by a bike going 21mph will probably hurt.  ...but alas, like another reviewer said, there are those that have their earphones on and music blasting and are oblivious to "the ding".  Perhaps Mirrycle can come up with a taser equipped version.

PRO's - Tiny (for the amount of sound it generates), light, small, easy to operate, cheap
CON's - None that I can think of
1793499
This product helps the EarPods stay in your ear when walking or running.
424455
I use this when walking the dog and listening to music w headphones. The music player and amp fit neatly and most importantly, the wires are not strained when walking. Before this case, the music player and amp were in my pocket. The music would stop and start and was ruining the 3.5mm connection. Fixed the problem perfectly. Now there is no static, no disconnections, and no wear and tear on the delicate wire connections. Nice! Recommend for this purpose. Also, the leather is of nice heavy but supple grade. Quality item. Would recommend for all uses.
2253477
use these to commute two both my jobs via bike seven days a week. I ride seven miles each way and listen to pandora and my ipod during my ride. I have really loved the sound and comfort of these headphones. The battery life is solid, I charge them overnight about every five days. Although wind noise can be an issue I wear a beanie covering my ears to block out most of it. I would totally recommend these headphones to anyone.
2511875
If you enjoy exercising or running it is perfect song to listen to. It gives more power and stimulates to give your best.
626201
The best way to think about this item is that it is really a compromise between listening to music and to the environment.  The sound quality isn't perfect, and if you turn it up all the way you can no longer hear the environment, so you just have to live with the volume lower.  It's just like how you would listen to music on normal speakers in the sense that you wouldn't turn it up all the way and drown out the other sounds, but since the volume would be low enough to hear ambient sounds, you just miss parts of the music at times.  I find these comfortable and easy to use even with sunglasses and a ball cap on.  The cord is out of the way and doesn't interfere with anything and the battery life is good.
4042582
Works very well and very useful for different activities or just listening.
4733110
Its amazing! It used to be difficult for me to listen to music while in the gym or jogging because I feel my ears clogs up from the heat and I start feeling dizzy. Now with this open ear headphone, I no longer have this problem and enjoy my time exercising. The only drawback is that its not noise-cancelling (technically impossible) so I'm sharing my music with people near me.
1012490
Use this on an almost daily basis to play music from my phone in my car during my commute.
3692946
I hate taking my phone to workout... This is a great alternative so you can play your music without the distractions!
3913063
These are great at the gym, biking and anywhere that a wire gets in the way.  They're "can" phones which means a bit bulky and hot, but gym and other places are noisy so the can style seals the ear well to minimize external noise.  I found it quickest to plug the micro SD into PC, load up with tunes and replace, but you can load tunes over USB as well.
Pros: No moving parts, no wires, no external device when using MP3 mode, great sound, comfortable, simple but elegant operation, SD cards of up to 16 GB will hold a lot of music.  Cons: track selection is next / previous track only and no shuffle or repeat.  (You have to arrange tracks in desired order on the SD card).  MP3 only, no lossless format supported.  No display, but the intent is that you operate these without removing them so a display wouldn't make much sense.  If you need to see what you're playing, use Bluetooth mode.
Tested as Bluetooth and that feature works very well.  Radio also works great.
4436550
These headphones are PERFECT for those running/biking outside. In the past, I've had trouble fitting earbuds into my ears without feeling discomfort on long runs, and inevitably I'd get sweaty and they'd fall out. Sometimes I run with my dog or one of my kids rides their bikes with me, but with the earbuds, I couldn't hear anything but my music if they tried to say something or if someone was coming up behind me on a bike (but I really need music to help me run, so I don't go without). These headphones allow me to hear everything that is going on in my immediate surroundings, as well as the music, very clearly.

They fit comfortably over my ears with enough room for sunglasses as well and they are snug, but not tight on the bone right outside the ear, so they didn't move while I was running. They also didn't leave an impression in my skin or discomfort afterward - they're easily the most comfortable headphones I've ever run with. The sound quality is really great if you're on relatively quiet / low traffic streets. On part of my route, I run on a sidewalk next to a 40mph two lane road, and I can't hear the music when traffic is high at that point, so the sound will get drowned out when the environment is really loud, but that is only a factor for about 2 - 3 minutes for me.  I'm so glad I found these after experimenting with so many other types of running headphones.