AfterShokz AS321-E Sportz M2 Headphone Review 2021

Aren’t you tired of using headphones that you need to take off regularly and massage your ears to ease them up?  Or the sweat making the headphones wet during a workout is, annoying isn’t it?

Running headphones should be comfortable, sweat proof and allow you to stay connected with your surroundings while playing sports or exercising. AfterShokz Sportz M2 as the name itself, are headphones that are very unique in their design and function.


  • Durable and comfortable.
  • Aware of external surroundings which is a good safety measure.
  • Water and swear resistant.
  • Long battery life.


  • Sound quality is compromised.
  • No feature of skipping songs.
  • Can’t be used in a quiet area.

Editor Rating


Prevent Accidents On The Run With Aftershokz Sportz M2

AfterShokz Sportz M2 was initially designed in 2001 for military field soldiers so that they can stay in touch with each other and also be aware of their surroundings. The open-ear headphones use a simple mechanism of ‘bone conduction. Instead of transmitting sound energy through the ear canal, these wrap around AfterShokz Sportz M2 headphones sits comfortably on your cheekbone, just in front of your ear, and via bone conduction technology they transmit sound into the inner ear.

The headphones come with a sleek design featuring an around-the-neck plastic band that connects both the buds and a cable that leads to a battery pack connecting to a phone or music player. The battery box also has a microphone, volume control, and a power button. The improved AfterShokz Sportz M2 version available in the market is specially designed for runners and cyclers who can indulge themselves in their favorite music and maintain environmental alertness.

The sound quality is however not as good as closed-ear headphones. Bass and treble are not clearly audible and anyone around you will also be able to hear whatever you are listening to. So AfterShokz Sportz M2 is not feasible to use in a quiet surrounding where others might get disturbed.

The AfterShokz Sportz M2 is available with a two-year warranty. If you are a bicyclist or a regular outdoor runner these headphones are definitely worth your money!

Just ordered the Sportz 2. The same design minus the mic. Rode it today on my way to work and was very impressed on how well the sound is.

It’s also true that the sound quality is simply not as good as decent earbuds, but the fact that they keep your ears open make them worth it. Oh, and they’re real comfortable. My ears used to ache from earbuds all day.

Besides the key fact of allowing you to hear what’s going on around you, they’re the only headphones I’ve tried that don’t fall off.

My first reason for loving them is comfort. No headaches from these! The second is being able to still hear my baby monitor.

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