Monster Open Ear AC210 Headphones, Bluetooth 5.4 Earphones Stereo Sound, Wireless Headphones 30 Hours Playback, Type-C Chargi

4.2 4.2 out of 5 stars | 21 ratings

Price: 129.99

Last update: 01-23-2025


About this item

Truly Open-Ear Design: The Monster AC210 features a completely open-back design that allows sound to embrace your ears without obstructing your hearing, providing ultimate comfort and a natural listening experience.
Immersive Sound Quality: Equipped with dual powerful 12mm dynamic drivers and modified PI composite beryllium diaphragms, along with a 30mW thrust DAC sound card, the Monster AC210 delivers a three-dimensional and detailed audio experience.
Extended Battery Life: With up to 6 hours of continuous playback on a single charge and up to 30 hours when combined with the included charging case, you can enjoy your music or calls without frequent recharging.

Product information


Top reviews from the United States

  • Teresa Scott
    5.0 out of 5 stars Sound quality is great
    Reviewed in the United States on December 31, 2024
    They stay in place. Easy to use .
    Comfortable too.
  • Amber
    5.0 out of 5 stars Love these!
    Reviewed in the United States on January 14, 2025
    Est headphones I've used yet. My husband and I were able to share them and watch a movie on the plane. Very comfy. Love the color and storage.
  • C. DeLisle
    5.0 out of 5 stars Great sound!
    Reviewed in the United States on December 31, 2024
    Love the over all sound and they fit with out hurting my ears. I wish there was a little more bass but otherwise a big thumbs up.
  • Vboudre
    1.0 out of 5 stars Not good headphones for working out
    Reviewed in the United States on January 17, 2025
    You can barely feel the headphones, which is interesting, but they do not stay in place for me while working out (weights, cardio, running, etc.) They’re also not as loud as you’d hope considering they don’t go in your ear, so you’d want the sound to be a bit higher.
  • Heidi Buen
    3.0 out of 5 stars Nice fit.
    Reviewed in the United States on January 10, 2025
    I walk a lot and I needed new headphones. Ordered these because I’ve had Monster over the ear and loved them. These are super nice looking and fit well. They are not loud at all. I can barely hear them over my treadmill.
  • Rhonda G.
    5.0 out of 5 stars They fit well
    Reviewed in the United States on January 10, 2025
    I’ve had a problem in the past with ear buds… they never fit my ears. These are not ear buds but are a very good substitute! Very comfortable
  • david joiner
    5.0 out of 5 stars Incredible Sound and Comfort with Monster Open Ear AC210 Headphones!
    Reviewed in the United States on November 19, 2024
    I recently purchased the Monster Open Ear AC210 Headphones, and I couldn't be happier with my decision! These Bluetooth 5.4 earphones have completely exceeded my expectations in terms of sound quality and comfort.
  • Shannon
    5.0 out of 5 stars Awesome sound!
    Reviewed in the United States on January 1, 2025
    I tried a couple different brands and ultimately ended up with monster. I was leery that the sound would be good considering it doesn't go in the ear but it sounded great. A few downsides...my son says he can clearly hear it when he sits next to me and the kids at school (I'm a Special Ed behaviorist) ask me why I need hearing aides! LOL

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