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expiredNeedMoCoffee | Staff posted Jul 2, 2026 10:04 AM

Monster Open Ear AC210 Waterproof Open Ear Earbuds (White)

$12

$40

70% off
Amazon
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Deal Details
MCT Store US via Amazon has Monster AC210 Bluetooth 5.4 Open Ear Headphones w/ 30-Hour Playback (White) for $12.34. Shipping is free with Prime or on $35+ orders.

Thanks to Deal Hunter NeedMoCoffee for sharing this deal.

Features:
  • Completely open-back design for ultimate comfort
  • The Monster AC210 Bluetooth headset uses dual powerful 12mm dynamic driver units and modified PI composite beryllium diaphragms, as well as the 30mW thrust of the DAC sound card to make the sound more three-dimensional and concrete.
  • This open-back earplug avoids the most common health concerns of traditional earplugs because it never actually enters the ear. No pinching of the auricle, no pain, and no damage to hearing.
  • Up to 6 hours of listening time (up to 30 hours when combined with the charging case)

Editor's Notes

Written by Wiznaz | Staff
  • Our research indicates that this deal is $0.65 less (5% savings) than the next best available price from a reputable merchant with prices starting from $12.99 at the time of this post.
  • This offer beats our previous Frontpage Deal from June 2026.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
MCT Store US via Amazon has Monster AC210 Bluetooth 5.4 Open Ear Headphones w/ 30-Hour Playback (White) for $12.34. Shipping is free with Prime or on $35+ orders.

Thanks to Deal Hunter NeedMoCoffee for sharing this deal.

Features:
  • Completely open-back design for ultimate comfort
  • The Monster AC210 Bluetooth headset uses dual powerful 12mm dynamic driver units and modified PI composite beryllium diaphragms, as well as the 30mW thrust of the DAC sound card to make the sound more three-dimensional and concrete.
  • This open-back earplug avoids the most common health concerns of traditional earplugs because it never actually enters the ear. No pinching of the auricle, no pain, and no damage to hearing.
  • Up to 6 hours of listening time (up to 30 hours when combined with the charging case)

Editor's Notes

Written by Wiznaz | Staff
  • Our research indicates that this deal is $0.65 less (5% savings) than the next best available price from a reputable merchant with prices starting from $12.99 at the time of this post.
  • This offer beats our previous Frontpage Deal from June 2026.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Community Voting

Deal Score
+34
Good Deal
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13 Comments

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Jul 2, 2026 11:59 AM
60 Comments
Joined Oct 2019
Karan45Jul 2, 2026 11:59 AM
60 Comments
Sounds like good deal
Jul 2, 2026 12:20 PM
67 Comments
Joined Dec 2015
masachsJul 2, 2026 12:20 PM
67 Comments
have a few of these; temperamental in terms of having to always disconnect from previous devices, but solid in terms of staying on your ear and doesn't cause any pain; it will always reconnect to your previous devices, no real buttons, haven't read the manual yet; but all in all, def worth the money and very comfortable
Jul 2, 2026 12:23 PM
84 Comments
Joined Dec 2007
str1ck9Jul 2, 2026 12:23 PM
84 Comments
Quote from masachs :
have a few of these; temperamental in terms of having to always disconnect from previous devices, but solid in terms of staying on your ear and doesn't cause any pain; it will always reconnect to your previous devices, no real buttons, haven't read the manual yet; but all in all, def worth the money and very comfortable
Man reviews are the most honest ones. Who needs a stinking manual? 😎
Jul 2, 2026 1:00 PM
59 Comments
Joined Feb 2016
blackinesenikaJul 2, 2026 1:00 PM
59 Comments
In for one!
Jul 2, 2026 1:25 PM
247 Comments
Joined Aug 2017
gsellstrJul 2, 2026 1:25 PM
247 Comments

Our community has rated this post as helpful. If you agree, why not thank gsellstr

The ac312 are also on sale, a little better specs. Just got mine yesterday, better sound quality than I expected for open ear stuff. Also won't be worried if something happens to them since they are cheap. Paired up really easy as well.
2
Jul 2, 2026 1:27 PM
1.6K Comments
Joined May 2011
nathan646Jul 2, 2026 1:27 PM
1.6K Comments
Premium solid gold connections?
1
Jul 2, 2026 3:13 PM
13 Comments
Joined Jan 2010
nafhanJul 2, 2026 3:13 PM
13 Comments
In case the word "waterproof" caught anyone else's eye: they're IPX5 (i.e. splash resistant) according to the Amazon listing.

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Jul 2, 2026 3:44 PM
409 Comments
Joined Feb 2022
CyanNest3122Jul 2, 2026 3:44 PM
409 Comments
I have several of these type buds from Temu.. all mine work perfectly for me.. am really wondering if these are different or better. Good price if better but I paid $2-$5 for the ones I have.
This style is good if you're not active... doesn't stay well if you need to bend over to pick something up. Had them fall off many times. I tend like the ones that clip on the ear but still outside the ear.
Jul 2, 2026 5:08 PM
646 Comments
Joined Jan 2012
odinsfuryJul 2, 2026 5:08 PM
646 Comments
Thank you!
Jul 2, 2026 7:56 PM
130 Comments
Joined Oct 2012
jmbbabJul 2, 2026 7:56 PM
130 Comments
Quote from nafhan :
In case the word "waterproof" caught anyone else's eye: they're IPX5 (i.e. splash resistant) according to the Amazon listing.
Thanks for this. I'm actually looking for a waterproof pair that aren't hideously expensive. Looks like I'm still looking.
Jul 4, 2026 2:27 AM
8K Comments
Joined Nov 2010
MusicSharkJul 4, 2026 2:27 AM
8K Comments
Quote from gsellstr :
The ac312 are also on sale, a little better specs. Just got mine yesterday, better sound quality than I expected for open ear stuff. Also won't be worried if something happens to them since they are cheap. Paired up really easy as well.
Need more details about "a little better "
Jul 4, 2026 9:56 AM
3.3K Comments
Joined Jul 2017
fintlewoodlewixJul 4, 2026 9:56 AM
3.3K Comments
Quote from CyanNest3122 :
I have several of these type buds from Temu.. all mine work perfectly for me.. am really wondering if these are different or better. Good price if better but I paid $2-$5 for the ones I have.
This style is good if you're not active... doesn't stay well if you need to bend over to pick something up. Had them fall off many times. I tend like the ones that clip on the ear but still outside the ear.
I bought four types of cheapos off of aliexpress. I also own two types of shockz. The aliexpress cheap stuff are uncomfortable and have shorter battery lives. No idea about these monsters, but 12 bucks is a good price for sure.
Jul 8, 2026 6:29 PM
188 Comments
Joined Nov 2010
anishsomani02Jul 8, 2026 6:29 PM
188 Comments
bought them through this deal and they were ok for the price but the right earphone died on the first day. This is the second monster product that stopped working the same day. definitely stay away from the brand, even at this price it is way too cheaply made
1

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