---
product_id: 687083308
title: "Monster Open Free AC100 Open Ear Headphones, Bluetooth 5.3 Wireless Headphones with Earhooks,Immersive Stereo Sound by Dual Large Driver, Clear Talk, 30H Playtime,Waterproof Earbuds for Running, White"
brand: "monster"
price: "FREE"
currency: EUR
in_stock: false
url: https://www.desertcart.pt/products/687083308-monster-open-free-ac100-open-ear-headphones-bluetooth-5-3
store_origin: PT
region: Portugal
---

# Bluetooth 5.3 ultra-stable 16mm dual dynamic drivers 30 hours total playtime Monster Open Free AC100 Open Ear Headphones, Bluetooth 5.3 Wireless Headphones with Earhooks,Immersive Stereo Sound by Dual Large Driver, Clear Talk, 30H Playtime,Waterproof Earbuds for Running, White

**Brand:** monster
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Stay connected, stay unstoppable with open-ear freedom!

## Quick Answers

- **What is this?** Monster Open Free AC100 Open Ear Headphones, Bluetooth 5.3 Wireless Headphones with Earhooks,Immersive Stereo Sound by Dual Large Driver, Clear Talk, 30H Playtime,Waterproof Earbuds for Running, White by monster
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/687083308-monster-open-free-ac100-open-ear-headphones-bluetooth-5-3)

## Best For

- monster enthusiasts

## Why This Product

- Trusted monster brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **AI-Powered Noise Canceling:** Stay focused with smart noise reduction that silences distractions but keeps you aware of your surroundings.
- • **Immersive Stereo Soundstage:** Dive into rich, crystal-clear audio with deep bass and crisp highs powered by dual 16mm drivers.
- • **Marathon-Ready Battery Life:** 30 hours of uninterrupted playtime means your soundtrack never quits, no matter how long your hustle lasts.
- • **Open-Ear Comfort Revolution:** Experience all-day wear with zero ear canal fatigue—perfect for the multitasking millennial.
- • **Seamless Bluetooth 5.3 Connectivity:** Pair instantly and enjoy ultra-stable, lag-free wireless audio across all your devices.

## Overview

The Monster Open Free AC100 headphones combine cutting-edge Bluetooth 5.3 technology with a unique open-ear design and dual 16mm drivers to deliver immersive stereo sound without ear canal discomfort. Featuring AI noise-canceling and a remarkable 30-hour battery life, these wireless sport earbuds keep you aware of your environment while powering through your busiest days.

## Description

Experience unmatched comfort and immersive sound with the Monster Open Free AC100 Open Ear Headphones. These wireless, open-ear headphones feature a sleek, modern design that sits gently on your ears, perfect for all-day wear without causing discomfort. Equipped with 16mm large drivers, they deliver rich, crystal-clear audio from deep bass to crisp highs, while AI noise-canceling technology ensures clear conversations even in noisy environments. Enjoy an impressive 30-hour battery life, and stay connected to your surroundings with the open-ear design, making these headphones ideal for music lovers and athletes alike.

## Features

- 【Comfort Open-Ear】The Open-ear design of Air conduction earphones helps to achieve true painlessly and harmlessly. No need to put the earbuds in the ear canal, so ears will not feel sore and painful even 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.
- 【30H Ultra Long Playtime】These air conduction headphones boast an impressive total battery life of 30 hours, allowing for uninterrupted listening sessions throughout the day. With each individual 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 you're commuting through busy streets or taking a leisurely stroll in the park, ambient sounds blend seamlessly with your music for an immersive listening experience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DP53RM3T |
| Additional Features | AI Noise-canceling |
| Age Range Description | Adult |
| Antenna Location | Exercising, Running |
| Audio Driver Size | 16 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 30 hours |
| Bluetooth Version | 5.3 |
| Bluetooth support? | Yes |
| Brand | Monster |
| Built-In Media | Wireless Charging Case |
| Cable Features | Without Cable |
| Carrying Case Color | AC100 Open ear |
| Color | White |
| Compatible Devices | Smartphones, Tablets, Laptops, Gaming Consoles, Smart Speakers |
| Connectivity Technology | Wireless |
| Control Method | Remote |
| Control Type | Call Control |
| Customer Package Type | Rigid Case |
| Customer Reviews | 4.0 4.0 out of 5 stars (167) |
| Earpiece Shape | Open-Ear |
| Enclosure Material | Silicone |
| Frequency Range | 20 Hz to 20,000 Hz |
| Generation | 1 |
| Headphone Folding Features | True Wireless |
| Headphone Jack | Without Jack |
| Headphones Ear Placement | Open Ear |
| Input-Device Interface | Bluetooth |
| Is Autographed | No |
| Item Weight | 0.19 Kilograms |
| Manufacturer | Monster |
| Mfr Part Number | E18 |
| Model Name | E18 |
| Model Number | E18 |
| Noise Control | Active Noise Cancellation |
| Noise Control Features | active_noise_cancellation |
| Number of Packs | 1 |
| Specific Uses For Product | Sport |
| Style Name | AC100 Open ear |
| UPC | 810079703463 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** Monster
- **Colour:** White
- **Ear placement:** Open Ear
- **Form factor:** True Wireless
- **Noise control:** Active Noise Cancellation

## Images

![Monster Open Free AC100 Open Ear Headphones, Bluetooth 5.3 Wireless Headphones with Earhooks,Immersive Stereo Sound by Dual Large Driver, Clear Talk, 30H Playtime,Waterproof Earbuds for Running, White - Image 1](https://m.media-amazon.com/images/I/61F2bJOP+QL.jpg)

## Frequently Bought Together

- 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, Waterproof Sport Earbuds for Running
- Monster Open Free AC100 Open Ear Headphones, Bluetooth 5.3 Wireless Headphones with Earhooks, Immersive Stereo Sound by Dual Large Driver, Clear Talk, 30H Playtime,Waterproof Sport Earbuds for Running
- Monster Open Ear AC210 Headphones, Bluetooth 5.4 Earphones Stereo Sound, Wireless Headphones 30 Hours Playback, Type-C Charging, HD Clear Calls, Touch Control, IPX5 Waterproof Open Ear Earbuds,White

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**Shop now:** [https://www.desertcart.pt/products/687083308-monster-open-free-ac100-open-ear-headphones-bluetooth-5-3](https://www.desertcart.pt/products/687083308-monster-open-free-ac100-open-ear-headphones-bluetooth-5-3)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-11-10*