---
product_id: 644866481
title: "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"
brand: "monster"
price: "₱4282"
currency: PHP
in_stock: true
category: "Monster"
url: https://www.desertcart.ph/products/644866481-open-free-ac100-open-ear-bluetooth-5-3-headphones-wireless
store_origin: PH
region: Philippines
---

# 16mm Dual Dynamic Drivers 30H Playtime + Fast Charging Waterproof & Secure Earhooks 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

**Brand:** monster
**Price:** ₱4282
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your workout soundtrack without missing a beat!

## Quick Answers

- **What is this?** 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 by monster
- **How much does it cost?** ₱4282 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/644866481-open-free-ac100-open-ear-bluetooth-5-3-headphones-wireless)

## 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

- • **Open Ear Design:** Stay aware and connected with open-ear comfort that doesn’t block your surroundings.
- • **All-Day Battery Life:** 30 hours of uninterrupted playback plus fast charging to keep you moving.
- • **Immersive Stereo Sound:** Feel every beat with powerful 16mm dual drivers delivering crystal-clear audio.
- • **Sweatproof & Secure Fit:** Waterproof earhooks designed for intense workouts and outdoor runs.
- • **Bluetooth 5.3 Connectivity:** Seamless wireless pairing with ultra-stable 10m range for hassle-free use.

## Overview

The Monster Open Free AC100 are open-ear Bluetooth 5.3 wireless earbuds featuring 16mm dynamic drivers for immersive stereo sound, 30 hours of playtime with fast charging, and waterproof earhooks designed for active lifestyles. Perfect for workouts, running, and clear calls, these headphones combine cutting-edge tech with comfort and durability.

## Description

desertcart.com: 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 : Electronics

## Features

- 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
- Headphones form factor: On Ear
- Special feature: Fast Charging
- Included components: User Manual
- Form factor: On Ear

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D2HS2JCX |
| Additional Features | Fast Charging |
| Age Range Description | Adult |
| Antenna Location | Running, Music |
| Audio Driver Size | 16 millimeters |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #46,152 in Electronics ( See Top 100 in Electronics ) #2,181 in Earbud & In-Ear Headphones |
| Bluetooth Range | 10 meters |
| Bluetooth Version | 5.3 |
| Brand Name | Monster |
| Built-In Media | User Manual |
| Cable Features | Without Cable |
| Color | Black |
| Compatible Devices | Bluetooth-enabled devices |
| Connectivity Technology | Wireless |
| Control Method | Remote |
| Control Type | Media Control |
| Customer Package Type | FFP |
| Customer Reviews | 4.0 4.0 out of 5 stars (593) |
| Earpiece Shape | earhook |
| Enclosure Material | Plastic |
| Headphone Folding Features | Open Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Manufacturer | Monster |
| Model Name | monster_open_free_ac100 |
| Model Number | MH22156 |
| Noise Control | Active Noise Cancellation |
| Number of Items | 1 |
| Series Number | 22156 |
| Specific Uses For Product | Sport |
| Style Name | black |
| UPC | 810079701032 |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** Monster
- **Color:** Black
- **Ear Placement:** Open Ear
- **Form Factor:** Open Ear
- **Noise Control:** Active Noise Cancellation

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71okiA+pQxL.jpg)

## Frequently Bought Together

- 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 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 AC601 Wireless Earbuds, Crystal Clear Call, USB-C Charging, Bluetooth 5.4 Open Earphones with ENC, IPX5 Waterproof Wireless Clip-on Earbud, 32H Playtime Earbuds (White)

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**Shop now:** [https://www.desertcart.ph/products/644866481-open-free-ac100-open-ear-bluetooth-5-3-headphones-wireless](https://www.desertcart.ph/products/644866481-open-free-ac100-open-ear-bluetooth-5-3-headphones-wireless)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-09-21*