---
product_id: 635871934
title: "– O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout"
brand: "truefree"
price: "€ 65.51"
currency: EUR
in_stock: true
reviews_count: 13
category: "Truefree"
url: https://www.desertcart.hr/products/635871934-o2-open-ear-headphones-air-conduction-bluetooth-5-3-wireless
store_origin: HR
region: Croatia
---

# 22 hours total playtime 15mm drivers for immersive sound Dual device multipoint connection – O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout

**Brand:** truefree
**Price:** € 65.51
**Availability:** ✅ In Stock

## Summary

> 🎧 Truefree: Hear More, Miss Nothing.

## Quick Answers

- **What is this?** – O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout by truefree
- **How much does it cost?** € 65.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/635871934-o2-open-ear-headphones-air-conduction-bluetooth-5-3-wireless)

## Best For

- truefree enthusiasts

## Why This Product

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

## Key Features

- • **Stay Alert, Stay Safe:** Open-ear design with air conduction tech keeps you aware of your surroundings during any activity.
- • **Sound That Moves With You:** 15mm drivers + bass boost + directional transmission deliver rich, private audio with minimal leakage.
- • **Effortless All-Day Comfort:** Ultra-light 8g earbuds with liquid silicone & memory steel hooks for a barely-there fit.
- • **Crystal-Clear Calls Anywhere:** Four mics with advanced noise cancellation ensure your voice is heard loud and clear.
- • **Seamless Control & Connectivity:** Truefree App lets you customize sound and effortlessly switch between two devices on the fly.

## Overview

Truefree earbuds combine cutting-edge liquid silicone comfort and nickel-titanium memory steel hooks with advanced open-ear air conduction technology. Featuring 15mm drivers and bass enhancement, they deliver immersive sound with minimal leakage. Four microphones with environmental noise cancellation ensure crystal-clear calls. Dual device connectivity managed via the Truefree App and a 22-hour total battery life make these earbuds perfect for multitasking millennials on the move.

## Description

Enjoy music with these lightweight, leakproof Bluetooth earbuds featuring 22-hour battery, clear calls, and enhanced bass for an immersive yet aware listening experience.

Review: good sound and good value for money - I have had these for a couple of months now I was going to order the Super expensive ones but these had good reviews and they are far better than the basic ones I have been using would definitely recommend. battery life seems good It obviously depends how often and how long you wear them for but quite adequate for normal listening
Review: Perfect - Brilliant headphones well made and very comfortable to wear, battery lasts along time

## Features

- [Ultimate Comfortable Experience] - Crafted with liquid silicone and nickel-titanium memory steel, the Truefree O2 earbuds feature ultra-comfortable, secure over-ear hooks. Weighing just 8g per earbud, you'll barely notice them during commutes, housekeeping, or workouts, ensuring a seamless and enjoyable experience throughout your day.
- [Situational Awareness] - Designed with an open-ear concept and advanced air conduction technology, these wireless headphones let you enjoy your favorite music while staying aware of your surroundings. This feature enhances safety during activities like driving, running, cycling, and hiking, keeping you both entertained and alert.
- [Immersive Sound with Less Leakage] - Featuring 15mm drivers, bass enhancement algorithm and state-of-the-art sound directional transmission technology, these earbuds deliver a natural and balanced sound with minimal leakage. Enjoy a private and immersive listening experience, no matter where you are.
- [Clear Calls with Four Mics and ENC] - Equipped with dual microphones and Environment Noise Cancelling (ENC) technology, these earbuds accurately capture your voice and eliminate background noise. Experience crystal-clear call quality for smooth communication in any environment.
- [Dual Connection and App Control] - Download the Truefree App from the Apple Store or Google Play to customize your settings and manage the multipoint connection function. Seamlessly switch between two connected devices, providing convenience and flexibility in your daily routine.
- [22 Hours of Listening Time] - Enjoy up to 6.5 hours of playtime on a single charge, with the stylish charging case extending total listening time to 22 hours. Additionally, the 70ms game mode ensures these earbuds are perfect for gaming and other activities, making them an ideal companion.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D54DLM8V |
| Age Range Description | Adult |
| Antenna Location | Calling, Cycling, Exercising, Gaming, Running |
| Audio Driver Size | 15 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Audio Latency | 76 Milliseconds |
| Battery Average Life | 22 Hours |
| Battery Charge Time | 75 minutes |
| Best Sellers Rank | 1,422 in In-Ear Headphones |
| Bluetooth Range | 6 Metres |
| Bluetooth Version | 5.3 |
| Box Contents | Truefree O2 Earbuds, USB-C Charging Cable, User Manual, Wireless Charging Case |
| Brand Name | truefree |
| Cable Features | Without Cable |
| Carrying Case Battery Average Life | 22 Hours |
| Carrying Case Battery Charging Time | 75 Minutes |
| Carrying Case Color | Black |
| Carrying Case Material | new paint-free material |
| Colour | Orange |
| Compatible Devices | Various Bluetooth-enabled devices, including smartphones, tablets, laptops, smart speakers, and gaming consoles |
| Control Method | App |
| Control Type | Volume Control |
| Controller Type | Touch |
| Country of Origin | China |
| Customer Package Type | FFP |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,381) |
| Earpiece Shape | Hook |
| Enclosure Material | Black |
| Frequency Range | 20 Hz - 20,000 Hz |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06974685081637 |
| Headphone Form Factor | Open Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 12 Ohms |
| Is Autographed | No |
| Is Electric | Yes |
| Item Weight | 10 Grams |
| Manufacturer | truefree |
| Model Name | TRUEFREE O2 |
| Model Number | truefree O2 |
| Network Connectivity Technology | Wireless |
| Noise Control | None |
| Number of Items | 1 |
| Product Features | Open-Ear, Air Conduction, 15mm Driver Bass Enhancement, Four Microphones Clear Calls, 22 Hours, App Control, Multipoint Connection, Ultra-lightweight |
| Series Number | 2 |
| Specific Uses For Product | Commute, Entertainment, Fitness |
| Style Name | Modern |
| Theme | Commute, Work, Workout |
| Unit Count | 1.0 count |
| Water Resistance Level | Water Resistant |
| Wireless Technology Type | Bluetooth |

## Product Details

- **Brand:** truefree
- **Colour:** Orange
- **Connectivity technology:** Wireless
- **Ear placement:** Open Ear
- **Form factor:** Open Ear
- **Frequency response:** 20 KHz
- **Headphone jack:** No Jack
- **Impedance:** 12 Ohms
- **Model name:** TRUEFREE O2
- **Noise control:** None

## Images

![– O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout - Image 1](https://m.media-amazon.com/images/I/61V2aWyujcL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ good sound and good value for money
*by M***. on 9 March 2026*

I have had these for a couple of months now I was going to order the Super expensive ones but these had good reviews and they are far better than the basic ones I have been using would definitely recommend. battery life seems good It obviously depends how often and how long you wear them for but quite adequate for normal listening

### ⭐⭐⭐⭐⭐ Perfect
*by L***E on 18 February 2026*

Brilliant headphones well made and very comfortable to wear, battery lasts along time

### ⭐⭐⭐⭐ Not bad
*by R***E on 27 December 2025*

I have used these headphones a few times and the sound is very good. The charge last for a fair time. They don't fit as well as expected but I just need to get used to it

## Frequently Bought Together

- truefree O2 Open Ear Headphones with Directional Acoustics, Ultra-Light Weight, IPX5 Waterproof, 22H Playtime, Multipoint Connection, App Control, Bluetooth 5.3 Wireless Earbuds for Workouts
- truefree F2 Open Ear Headphones Bluetooth 5.3 Air Conduction Wireless Headphones Sport Earbuds with 16.2mm Enhanced Bass,Dual Mic for Clear Calls,15H Playtime,Multipoint Connection,App Control

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**Shop now:** [https://www.desertcart.hr/products/635871934-o2-open-ear-headphones-air-conduction-bluetooth-5-3-wireless](https://www.desertcart.hr/products/635871934-o2-open-ear-headphones-air-conduction-bluetooth-5-3-wireless)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-17*