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Item #:
179282420
Monster Open Free AC100 Open Ear Headphones, Bluetooth 5.3 Wireless Headphones, Immersive Stereo Sound by Dual Large Driver, Clear Talk, 30H
81% of respondents would recommend this to a friend
Item #:
179282420
NAD 559
Price Details
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Experience the immersive power of stereo sound with Open Headphones, bringing your music to life with breathtaking clarity.
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What Stands Out
Immersive Sound
Experience rich audio quality with dual large drivers that deliver immersive stereo sound, enhancing music enjoyment and making conversations clearer during calls.
Extended Playtime
Enjoy up to 30 hours of playtime on a single charge, ensuring that your headphones last through long workouts and commutes without frequent recharging.
Waterproof Design
Designed for active lifestyles, these headphones are waterproof, making them perfect for running and outdoor use without fear of damage from sweat or rain.
Product Details
- 【Comfort Open-Ear】The Open-ear design of Air conduction earphones helps to achieve true painlessly and harmlessly. There is no need to put the earbuds in the ear canal, so ears will not feel sore and painful even when listening to music for the whole day.
- 【Immersive Stereo Sound Effects】Monster Open Free AC100 Open Ear headphones dive into a world of sonic richness with the expansive soundstage delivered by 16mm large drivers. From deep bass to crisp highs, every nuance of music is brought to life with breathtaking clarity.
- 【 AI Noise-canceling】Monster Open Free AC100 Open Ear headphones have built-in AI noise-canceling technology and dual microphones, which adopt environmental noise reduction technology to monitor the sounds around you and instantly produce an opposite signal to reduce background noise. Whether you're in a bustling café or a busy office, background noise fades away, leaving only crystal-clear conversations.
- 【Ultra Long Playtime】 These air-conduction headphones boast an impressive total battery life of 30 hours (at 50% volume) when combined with the charging case, allowing for uninterrupted listening sessions throughout the day. With each use lasting up to 6 hours, these headphones provide the perfect blend of longevity and reliability—no more battery anxiety.
- 【Advanced Bluetooth 5.3】With advanced Bluetooth headphones 5.3 technology, you can get 2X fast transfer speed (75% higher than the previous generation) and a more stable connection. Wireless headphones will be paired with each other automatically, and just hit on Bluetooth list "Monster Open Free AC100" on your device to connect, avoiding complex operations and saving waiting time. Whether you're pairing with your smartphone, tablet, or laptop, enjoy stable and efficient wireless connections for uninterrupted music enjoyment.
- 【Enhanced Awareness】Seamlessly transition between different environments with Monster Open Free AC100 Open-Ear design. Stay connected to your surroundings while enjoying your favorite tunes with these open-ear headphones. Whether commuting through busy streets or taking a stroll in the park, ambient sounds blend seamlessly with your music for an immersive listening experience.
- 【Dedicated After-Sales Support】At Monster, we prioritize your satisfaction. Our professional customer service team stands ready to assist with any inquiries or feedback you may have about our products. Don't hesitate to reach out–we're committed to ensuring a seamless shopping experience and finding solutions that meet your needs.
| Brand Name | Monster |
| Model Number | E1800 |
| Model Name | ac100 |
| Built-In Media | User Manual |
| Age Range Description | Adult |
| Number of Items | 1 |
| Manufacturer | Monster |
| External Testing Certification | / |
| Headphones Ear Placement | Open Ear |
| Headphone Folding Features | Open ear |
| Earpiece Shape | Open-ear |
| Unit Count | 1.0 Count |
| Audio Driver Type | Dynamic Driver |
| Frequency Range | [20 Hz - 20,000 Hz] |
| Enclosure Material | Plastic, Silicone |
| Specific Uses For Product | Sport |
| Compatible Devices | Smartphones, Tablets, Laptops, Gaming Consoles, Smart Speakers |
| Water Resistance Level | Waterproof |
| Additional Features | AI Noise-canceling |
| Headphone Jack | No Jack |
| Connectivity Technology | Bluetooth |
| Wireless Technology | Bluetooth |
| Bluetooth Version | 5.3 |
| Color | Black |
| Style Name | E18Black |
| Control Method | Touch |
| Battery Average Life | 30 Hours |
| Brand | Monster |
| Ear Placement | Open Ear |
| Form Factor | Open ear |
| Headphones Jack | No Jack |
| Item Weight | 0.25 lbs (110 grams) |
What's in the box
User Manual
Who Should Buy?
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Active Lifestyles
Ideal for athletes who need durable, waterproof headphones during intense exercise without sacrificing sound quality.
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Long Listening Sessions
Perfect for users seeking extended playtime with 30 hours of battery life for uninterrupted audio enjoyment.
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Outdoor Enthusiasts
Great for outdoor activities as open ear design allows for environmental awareness while enjoying music.
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Audiophiles
Serious listeners may find sound fidelity lacking compared to high-end, closed-back headphones for minimum distortion.
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Noise Isolation Seekers
Users looking for complete sound isolation may be disappointed with the open ear design that allows external noise.
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Budget Shoppers
Those on a tight budget may find alternative brands offering similar features at lower prices more appealing.
Product Description
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Customer Questions & Answers
-
Question:
What are the key features of the Monster Open Free AC100 headphones?
Answer: The Monster Open Free AC100 headphones boast advanced Bluetooth 5.3 technology, delivering seamless connectivity and enhanced audio performance. They feature dual large drivers for immersive stereo sound, ensuring a rich listening experience with clear audio fidelity. With a battery life of up to 30H, they are perfect for extended use, whether for casual listening or during long commutes. The open ear design allows for environmental awareness, making them ideal for outdoor activities like jogging or cycling. -
Question:
Are the Monster Open Free AC100 headphones suitable for sports and outdoor activities?
Answer: Yes, the Monster Open Free AC100 headphones are specifically designed for sports and outdoor activities. Their open ear design provides comfort and allows you to remain aware of your surroundings, making them perfect for running, cycling, or hiking. The lightweight build ensures they stay secure without causing discomfort, allowing you to focus on your activities without distractions. -
Question:
How does the sound quality of the Monster Open Free AC100 compare to traditional headphones?
Answer: The sound quality of the Monster Open Free AC100 headphones is exceptional, thanks to dual large drivers that deliver a rich and immersive audio experience. Unlike traditional headphones that may isolate you from your environment, these open ear headphones provide a balance, allowing you to enjoy your music while remaining aware of ambient sounds. Whether you're listening to your favorite playlist or answering calls, the clarity and depth of sound shine through. -
Question:
Can I use the Monster Open Free AC100 headphones for phone calls?
Answer: Absolutely! The Monster Open Free AC100 headphones come equipped with Clear Talk technology, designed to enhance voice clarity during calls. This feature makes it easy to communicate clearly without interference from background noise. Whether you’re making a business call or chatting with friends on the go, the headphones ensure that your voice is heard loud and clear. -
Question:
What devices are compatible with the Monster Open Free AC100 headphones?
Answer: The Monster Open Free AC100 headphones are compatible with a wide range of devices that support Bluetooth connectivity. This includes smartphones, tablets, laptops, and smartwatches. With Bluetooth 5.3 technology, you can enjoy a stable and fast connection with minimal lag, making them ideal for streaming music or videos, playing games, or attending virtual meetings. -
Question:
What is the weight of the Monster Open Free AC100 headphones?
Answer: The Monster Open Free AC100 headphones are designed to be lightweight and comfortable, making them ideal for extended wear. Weighing in at just a few ounces, they won't weigh you down during daily activities or workouts. This lightweight design is a key feature, allowing for all-day comfort without compromising on sound quality or performance. -
Question:
How long is the battery life of the Monster Open Free AC100 headphones?
Answer: The Monster Open Free AC100 headphones feature an impressive battery life of up to 30 hours on a single charge. This extended battery life allows you to enjoy uninterrupted music, calls, and podcasts throughout your day, whether you’re commuting, exercising, or just relaxing at home. It means less time spent recharging and more time enjoying your audio experience. -
Question:
What technology is used for the wireless connectivity of the Monster Open Free AC100 headphones?
Answer: The Monster Open Free AC100 headphones utilize Bluetooth 5.3 technology for wireless connectivity. This latest version of Bluetooth enhances pairing speed, connectivity range, and battery efficiency compared to older versions. It ensures a stable and high-quality audio stream without interruptions, making it perfect for both casual listening and more involved usage like gaming or conference calls. -
Question:
Do the Monster Open Free AC100 headphones come with any accessories?
Answer: Yes, the Monster Open Free AC100 headphones typically come with essential accessories that enhance their usability. This usually includes a charging cable for powering the device and a user manual to help you maximize your experience. These additions make it easier to maintain your headphones and ensure that you can quickly get started with pairing them to your devices. -
Question:
Where can I buy Monster Open Free AC100 Open Ear Headphones in Namibia?
Answer: You can purchase the Monster Open Free AC100 Open Ear Headphones from Ubuy in Namibia. Ubuy offers a convenient platform where you can find a variety of audio products, including these headphones, and enjoy reliable service for your online shopping experience.
Monster Open-Ear Headphones E1800 Editorial Review
The Monster Open Free AC100 Open Ear Headphones have garnered a varied reception among users, showcasing both impressive features and notable pitfalls. Many customers applaud the sound quality, often describing it as exceptional for its price point and comparable to higher-end alternatives. Users appreciate the headphones' ability to facilitate auditory awareness, particularly when cycling, as they allow background sounds to be heard, enhancing safety during outdoor activities. However, the product is not without its issues. A segment of users encountered defective devices, which hindered their ability to use the headphones effectively. One specific feedback highlighted problems with charging and connectivity, resulting in a diminished user experience. These challenges are exacerbated by prohibitive return shipping costs, leading some customers to feel trapped with a faulty product. In summary, while the Monster Open Free AC100 headphones offer commendable sound quality and situational awareness, potential buyers should be cautious of product reliability and the implications of customer support experiences. **
Customer Reviews & Ratings
4 customers ratings
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Pros
- Excellent sound quality compared to higher-priced alternatives
- Allows hearing of background sounds, enhancing safety during activities like cycling
- Good value for money
Top selling Wireless Headphones in Philippines
Last Updated on June 10, 2026
Product Price History
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NAD 559
Order now and get it around Friday, June 26
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Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Features & Benefits
- 16mm large dynamic driver for high-quality sound and powerful bass.
- AI Call Noise Cancellation filters out 99% of ambient noise.
- Open-ear design ensures comfort and promotes airflow.
- Bluetooth 5.3 technology for stable connectivity and fast pairing.
- IPX5 water-resistant, perfect for gym and outdoor use.
- 30-hour battery life for uninterrupted listening sessions.