Monster
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Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls, 30H Playtime, for Workout, Black
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Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls, 30H Playtime, for Workout, Black
Experience rich, dynamic soundscapes and enjoy seamless communication with Open Free AC100 Headphones.
Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls, 30H Playtime, for Workout, Black
Item #: 194548780

Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls,

89% of respondents would recommend this to a friend

Item #: 194548780

AUD 49

Price Details

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Order now and get it around Saturday, October 10
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Experience rich, dynamic soundscapes and enjoy seamless communication with Open Free AC100 Headphones.
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What Stands Out

Enhanced Sound Quality
Experience immersive stereo sound with 16mm large drivers, delivering clear audio for music and calls, making every workout more enjoyable and engaging.
Extended Playtime
Enjoy up to 30 hours of playtime on a single charge, ensuring uninterrupted music and calls during long workout sessions or daily activities.
Secure Fit Design
The comfortable earhooks provide a secure fit, making these wireless earbuds perfect for intense workouts, preventing them from slipping during any physical activity.

Product Details

Shop Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls, 30H Playtime, for Workout, Black online at a best price in Tuvalu. B0G3PJM8WM
Brand NameMonster
Model NumberE18
Model NameE18
Built-In MediaUser Manual
Age Range DescriptionAdult
Number of Items1
ManufacturerMonster
External Testing Certification/
Headphones Ear PlacementOpen Ear
Headphone Folding FeaturesOpen Ear
Earpiece ShapeOpen-Ear
Control MethodTouch
Battery Average Life6 Hours
Noise ControlActive Noise Cancellation
Audio Driver TypeDynamic Driver
Frequency Range20Hz - 20,000Hz
Enclosure MaterialPlastic, Silicone
Specific Uses For ProductSport, Music
Compatible DevicesSmartphones, Tablets, Laptops, Smart Speakers
Water Resistance LevelWaterproof
Additional FeaturesAI Noise-canceling
Headphone JackNo Jack
Connectivity TechnologyWireless
Wireless TechnologyBluetooth
Bluetooth Version5.3
ColorBlack
Style NameE18
Unit Count1.0 Count
BrandMonster
Ear PlacementOpen Ear
Form FactorOpen Ear
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Fitness Enthusiasts

    These earbuds stay secure during workouts, providing an immersive audio experience and long battery life for extended use.

  • Outdoor Adventurers

    Open ear design allows users to remain aware of surroundings while enjoying music or making calls during outdoor activities.

  • Frequent Callers

    Clear call quality ensures effective communication, making them ideal for users who often make calls on the go.

Not Suitable For
  • Audio Purists

    Those seeking top-tier sound quality may find these earbuds lacking in deep bass and acoustic fidelity.

Product Description

Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls, 30H Playtime, for Workout, Black

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the key features of the Monster Open Free AC100 wireless earbuds?

    Answer: The Monster Open Free AC100 wireless earbuds feature Bluetooth 5.3 technology, providing a stable and efficient connection. They come equipped with 16mm large drivers, delivering immersive stereo sound ideal for music and calls. The open-ear design ensures comfort during workouts, while the secure earhooks keep them in place. With 30 hours of total playtime, these earbuds are perfect for long listening sessions, be it at the gym or on the go.
  • Question: How does the sound quality compare to other wireless earbuds?

    Answer: The sound quality of the Monster Open Free AC100 is exceptional due to its 16mm large drivers, which produce rich, immersive sound and clear vocals during calls. Unlike many budget options, these earbuds provide a balanced sound profile that enhances both bass and treble. Whether you're working out or enjoying leisure time, you can expect a high-fidelity audio experience that rivals more expensive models in the same category.
  • Question: Are the Monster Open Free AC100 earbuds suitable for workouts?

    Answer: Yes, the Monster Open Free AC100 earbuds are specifically designed for workouts. Their open-ear design enhances comfort and breathability, reducing heat buildup during intense exercise. The secure earhooks ensure they remain in place, allowing you to focus on your workout without worrying about your earbuds falling out. Whether you're running, cycling, or hitting the gym, these earbuds are built to perform.
  • Question: Can you answer calls with the Monster Open Free AC100 earbuds?

    Answer: Absolutely! The Monster Open Free AC100 earbuds come equipped with a built-in microphone that provides clear call quality. This feature allows for seamless communication, making them perfect for multitasking while on the go or during workouts. You can easily take calls without needing to remove your earbuds, ensuring a convenient experience when you need to stay connected.
  • Question: How long does the battery last on a single charge?

    Answer: The Monster Open Free AC100 earbuds offer an impressive 30 hours of total playtime, thanks to their efficient battery performance. On a single charge, you can enjoy several hours of continuous use, making them ideal for extended listening periods. Whether you're commuting, working, or exercising, these earbuds ensure you won't run out of battery when you need them the most.
  • Question: Is the fit of the Monster Open Free AC100 adjustable?

    Answer: The fit of the Monster Open Free AC100 is semi-adjustable due to its open-ear design and flexible earhooks. While they don't come with customizable ear tips, the earhooks are designed to securely grip your ears, providing comfort during various activities. This user-friendly design makes them suitable for a wide range of users, ensuring a snug fit for casual listening or intense workouts.
  • Question: What makes the Monster Open Free AC100 earbuds stand out from other models?

    Answer: The Monster Open Free AC100 earbuds distinguish themselves with their unique open-ear design that gives users the freedom to remain aware of their surroundings while enjoying high-quality sound. The combination of Bluetooth 5.3 for efficient connectivity and an impressive 30 hours of playtime makes them a practical choice for those who want exceptional audio without sacrificing comfort or connectivity. Additionally, their stylish design complements various outfits, making them versatile for everyday wear.
  • Question: Can the Monster Open Free AC100 earbuds connect to multiple devices?

    Answer: Yes, the Monster Open Free AC100 earbuds support multi-device connectivity, allowing you to switch between your smartphone, tablet, or laptop effortlessly. This is particularly useful for people who transition between work and leisure during the day. By being able to connect to multiple devices, you can enjoy a seamless experience without the hassle of disconnecting and reconnecting each time you switch.
  • Question: What is the range of the Bluetooth connectivity for these earbuds?

    Answer: The Monster Open Free AC100 earbuds utilize Bluetooth 5.3 technology, which offers a reliable connectivity range of up to 100 meters (approximately 328 feet) in open spaces. This extended range allows you to enjoy your music and calls without being tethered to your device, perfect for moving around your home or office while staying connected. Just be mindful of obstructions that may affect the signal in enclosed spaces.
  • Question: Where can I buy the Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones?

    Answer: You can buy the Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones from Ubuy in Tuvalu. Ubuy offers a convenient online shopping experience, allowing you to easily browse the product details, features, and specifications to ensure that you're making the right choice for your audio needs.

Monster Open-Ear Headphones E18 Editorial Review

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Pros

  • Immersive stereo sound
  • 30 hours playtime
  • Secure earhook design
  • Clear call quality
  • Lightweight and comfortable

Cons

  • Controls may take time to master.

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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AUD 49

Order now and get it around Saturday, October 10

QTY:

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Fastest cross-border delivery

Features & Benefits

  • 16mm dynamic driver delivers high-quality sound with powerful bass.
  • AI Call Noise Cancellation filters out up to 99% of ambient noise.
  • Open-ear design promotes comfort and prevents moisture buildup.
  • 30-hour battery life supports all-day listening without interruptions.
  • Bluetooth 5.3 technology ensures stable wireless connectivity.
  • IPX5 water resistance protects against sweat and rain, ideal for outdoor use.

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