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  • Aftershokz AS321-E Sportz M2 Open Ear Sports Headphones with Inline Microphone - Black
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Aftershokz AS321-E Sportz M2 Open Ear Sports Headphones with Inline Microphone - Black

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List Price: $79.95
Price: $54.09 & FREE Shipping
You Save: $25.86 (32%)
In stock.
Usually ships within 2 to 3 days.
Ships from and sold by BlueKangaroos.
  • In-line microphone to make/take phone calls
  • Sit comfortably in front of (not in or over) the ear, using patent pending bone conduction technology to deliver stereophonic sound to the inner ear
  • Open ear design lets you make/take phone calls and stay connected to your music and the outside world - even when skiing, running, biking etc.
  • Hear important sounds, including oncoming traffic, car horns, ambulances or other warning noises, potentially preventing accidents
  • More comfortable and stable than earbuds or traditional headphones, especially when used over extended periods of time
5 new from $49.35 5 used from $32.86 1 refurbished from $26.49
$54.09 & FREE Shipping In stock. Usually ships within 2 to 3 days. Ships from and sold by BlueKangaroos.

Frequently Bought Together

Aftershokz AS321-E Sportz M2 Open Ear Sports Headphones with Inline Microphone - Black + Aftershokz AS330F Bluez Open Ear Bluetooth Wireless Headset - Retail Packaging - Black + Aftershokz Sportz 2 AS320 Open Ear Sports Headphones
Price for all three: $162.55

Some of these items ship sooner than the others.

Buy the selected items together

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  • Buy Used and Save: Buy a Used "Aftershokz AS321-E Sportz M2 Open Ear Sports Headp...” from Amazon Warehouse Deals and save 58% off the $79.95 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all Used offers from Amazon Warehouse Deals.

Technical Details

  • Sports-And-Exercise

Compare to Similar Items


This item: Aftershokz AS321-E Sportz M2 Open Ear Sports Headphones with Inline Microphone - Black
Customer Rating (127) (34) (68) (70)
Price $ 54.09 $ 39.00 $ 98.44 $ 34.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By BlueKangaroos Amazon.com Amazon.com BlueKangaroos
Color Black, Orange Black Black Black
Special Features Sports-And-Exercise sports-and-exercise Sports-And-Exercise Safer for outdoor activities, so you can hear surroundings too. Nothing in your ear. Comfortable
Fit Intraaural In-Ear In-Ear In-Ear
Dimensions 4.5 inches x 6.2 inches x 2.25 inches 2.28 inches x 6.18 inches x 4.53 inches 6.1 inches x 5.9 inches x 2.4 inches 2.28 inches x 6.18 inches x 4.53 inches
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Product Description

AfterShokz Sportz M2 open ear headphones sit comfortably in front of the ear, utilizing patent pending bone conduction technology to deliver stereophonic sound through the listener's cheekbones to the inner ear, enabling anyone participating in an activity - jogging, biking, skateboarding, hiking, skiing - to make/take phone calls and stay connected to both what they are listening to and the outside world. If a call comes in while listening to music, AfterShokz technology automatically interrupts and activates the in-line mic, making active mobile communications easier, safer, and more comfortable than ever. Built-in rechargeable lithium ion battery is included.

Product Details

  • Product Dimensions: 6.2 x 2.2 x 4.5 inches ; 5.6 ounces
  • Shipping Weight: 10.6 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B009G89ZDU
  • Item model number: AS321-E
  • Batteries 1 Lithium ion batteries required.
  • Average Customer Review: 3.5 out of 5 stars  See all reviews (127 customer reviews)
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: September 24, 2012

Customer Questions & Answers

Customer Reviews

The bone conduction thing really works and is a lot safer for your hearing.
Birdie14
The headset takes a little getting used to fitting it around the back of your head, but I think I've found a way to make it work for me.
Avid Reader
I can use this device for phone calls and listening to music WITHOUT USING MY HEARING AIDS!
Lane O.

Most Helpful Customer Reviews

36 of 38 people found the following review helpful By Recon_az on January 30, 2013
Verified Purchase
I just received this item and had really high hopes based on other reviews. Here is a complete breakdown and my opinions

Design - Overall, the design is great. It fits comfortably and the cable is just long enough to have my iPhone 5 in my pocket while wearing them (cable running inside the back of shirt).

Build Quality - This too is great and the item feels sturdy. If I were to drop it by accident, I know it wont break. The only con on the quality is the cable, it's a thin. Feel if I pull the 3.5mm jack from my phone by the cord, it would tear/split.

Sound Quality - This is the primary reason why I have this product 4 stars. Breaking it down by 3 frequency zones, the lows are lacking and the mids are muddy. The highs are bright... a little too bright at high volumes... But otherwise ok. For those who listen to bass heavy songs/music, you might find this product somewhat disappointing. Unfortunately, I fall under this category for music I enjoy running to. For non-running use, I have better headphones and earphones.

Use - To get descent sound quality, you have to play around with it for a bit until you find the "sweet spot" for your head. For me is right above the jawbone and closer to the ear canal. Even then, it feels like you have some cheap speakers in front of your ears. Also, these are in no way built for "personal" use. Even at low volumes, a person a couple feet away from me can hear the music or call. Wouldnt recommend taking these into the gym as you may bug some people lol.

Overall - I am still not sure if I want to keep these or send them back. I have a few other high-end earphones from brands such as Shure and Klipsch that sound outstanding.
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23 of 24 people found the following review helpful By B. Levine on December 24, 2012
Verified Purchase
Have had these for 2 weeks, and they work as I had expected.
I hear enough around me when I need to, and can easily raise or lower
the sound of the headphones to adjust and focus on my music or
a conversation.

Very happy with them so far.

Update April 2013 :
After a few months the battery died, a common complaint.
While there was some comment about battery not being covered
under warrantee on the manufacturer website, manufacturer did take
mine back and replace it with a brand new one. Would prefer they
just make one with a replaceable lithium battery rather than constantly
recharging and then eventually replacing entire unit.
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18 of 19 people found the following review helpful By Borgeano on April 22, 2013
Verified Purchase
I had many hesitations before buying these headphones, since a lot of reviews mentioned low sound quality, a head band without size adjustment, flimsy construction, etc. So I decided to bite the bullet and try them.

Starting by the conclusion: Love them.

Backtracking now:
1. I have a decent-to-large-size head. The head/neck band of the headphones does not adjust in size, that's accurate. However, I found that it fit me very well. There are of course people with larger heads and necks, and this is entirely subjective, but for me it worked well. The band sits at the back of the neck, so I can see how it might not fit people wit more girth around that area (odd choice of words, I know, but I couldn't think of a way to refer to it that could be more PC than that...)
2. I have a ton of facial hair; beard and sideburns specifically. Doesn't matter, they still work great. The pads rest right in front of the tragus, and behind the sideburns. So (again, in my case), as it were, there happens to be almost no hair there. So far, so good.
3. Noticed that some reviewers mentioned things like "can't see how it would stay put while exercising". I've taken them running and road-cycling, and that has not been an issue. As long as you clip the mic/battery box to your shirt or armband so that it doesn't weigh the headset down, you're good. I'll stress that fact: while not terribly heavy, the mic/battery box is noticeably heavier than the headset itself, so it's imperative you clip it to something.
4. Some reviewers also complained about the sound quality. This didn't really bothered me that much, since I didn't expect the kind of quality that you get out of a $400 pair of on-ear, noise-canceling headphones.
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14 of 15 people found the following review helpful By David on May 8, 2013
Verified Purchase
Using bone conduction technology, these headphones have made a world of difference for me. I suffer from a hearing loss (profound in the left ear and severe in the right) which makes regular headphones difficult to use unless they are on full volume, and even then I can only hear in the left ear. These headsets have a built in microphone which means I can use them with my cell phone and am now able to listen to calls and music on normal volume and hear in both the left and right ear (again, thanks to the bone conduction technology which is an effective hearing aid for otosclerosis). Further, clients and family can hear me very well on the microphone. For music, the headphones are great, letting me listen to music without an ear bud stuffed in my ear. I show these off all of the time and several of my friends have now ordered a pair after trying them.

The only gripe is after a few months the left speaker stopped working. However, I simply notified Aftershokz of the issue, and they immediately issued me an RMA for a return. I was just notified my new headset is on the way. Excellent service. I would (and have) recommend these to anyone, especially anyone with a hearing deficiency or anyone who does not want to suffer hearing loss from long term headset use or otherwise does not like earbuds. I have been extremely impressed with this product and the compnay.
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