Monster Open Flex Wireless Earphones, Open-Ear Bluetooth 5.4 Earbuds with Built-In Microphone, Charging Case, IPX5 Water Resistant, Black
Monster Open Flex Wireless Earphones, Open-Ear Bluetooth 5.4 Earbuds with Built-In Microphone, Charging Case, IPX5 Water Resistant, Black
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Monster Open Flex Wireless Earphones, Open-Ear Bluetooth 5.4 Earbuds with Built-In Microphone, Charging Case, IPX5 Water Resistant, Black

Key item features

  • ‌Open-ear design helps you stay aware of your surroundings while enjoying music, calls, and podcasts.
  • Bluetooth 5.4 connectivity supports faster auto pairing, a stronger and more stable signal, lower latency, and a wider connection range.
  • Flexible earhook design delivers a stable, comfortable fit for work, walks, commuting, and light workouts.
  • Built-in microphone and voice control help make hands-free calling simple throughout the day.
  • Up to 5 hours of playback on a full charge, plus a charging case for extended battery life.
  • IPX5 water-resistant construction helps protect against sweat and light moisture.
  • Premium sound tuning with deep bass creates an immersive listening experience in an open-ear format.
  • TWS pairing enables seamless wireless listening with the included earbuds and case.
Current price is $44.99
Price when purchased online
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  • Free 30-day returns
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4.389140271493213 stars out of 5, based on 886 seller reviews(4.4)
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Ships in the manufacturer's original packaging, which may reveal the contents.

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About this item

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Customer ratings & reviews

4.3 out of 5 stars
stars26 ratings15 reviews
How item rating is calculated
  1. 5 stars65% (17)
  2. 4 stars12% (3)
  3. 3 stars12% (3)
  4. 2 stars8% (2)
  5. 1 star4% (1)

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Showing 1-3 of 15 reviews

Jun 4, 2026
KatK
5 out of 5 stars review

Comfortable and great sound quality!

[This review was collected as part of a promotion.] These earbuds are great! I love how easy they connect to my phone, and it's nice being able to pause my music by just tapping on the side. The battery life is impressive, the case itself works as a power bank, I hardly ever need to charge it. They fit so comfortably, and stay very secure even if I'm running, or working out. I like the design, and the sound quality is awesome. Very immersive. I couldn't believe how loud these can get. Great for drowning out noise. The only down side is that people around you can hear the sound if you have these turned up. But, for a budget option, I can't complain. Definitely recommend these!

Review from influenster.com
Helpful?1XG3PR5TFI0D20134400980
May 22, 2026
ArletP
5 out of 5 stars review

Comfortable and great for everyday use

[This review was collected as part of a promotion.] I've been really enjoying these wireless earbuds so far! They feel super lightweight and comfortable, especially with the open ear design, so I can wear them longer without discomfort. The sound quality is clear, pairing was quick and easy, and I like that I can still stay aware of my surroundings while listening to music or taking calls. They're perfect for workouts, errands, or just everyday use. The case also looks sleek and compact, making them easy to carry around.

Review from influenster.com
Helpful?1XG3PR5TFI0D20134400980
May 30, 2026
AdrianaB
5 out of 5 stars review

Comfortable, lightweight earphones with clear sound.

[This review was collected as part of a promotion.] The monster Open Flex wireless earphones are comfortable, lightweight, and easy to wear for hours. The sound is clear, the battery lasts long, and they stay secure during daily activities.

Review from influenster.com
Helpful?1XG3PR5TFI0D20134400980