---
product_id: 629677623
title: "truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control"
brand: "truefree"
price: "€ 0.10"
currency: EUR
in_stock: false
reviews_count: 13
url: https://www.desertcart.gr/products/629677623-truefree-o1-open-ear-headphones-bluetooth-5-3-wireless-earbuds
store_origin: GR
region: Greece
---

# 16.2mm dynamic drivers Bluetooth 5.3 stable connection 45 hours total playtime truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control

**Brand:** truefree
**Price:** € 0.10
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Elevate your active lifestyle with sound that never quits.

## Quick Answers

- **What is this?** truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control by truefree
- **How much does it cost?** € 0.10 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/629677623-truefree-o1-open-ear-headphones-bluetooth-5-3-wireless-earbuds)

## 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

- • **Bass That Moves You:** Powerful 16.2mm drivers with enhanced bass algorithm deliver immersive, rich sound.
- • **Stay Alert, Stay Ahead:** Open-ear design with over-ear hooks keeps you aware and secure during every move.
- • **Endurance for the Hustle:** Up to 10 hours per charge plus 45 hours total with charging case—music that keeps pace with you.
- • **Crystal-Clear Calls Anywhere:** Four mics with ENC noise cancellation ensure your voice cuts through any environment.
- • **Seamless Multi-Device Control:** Bluetooth 5.3 and app-enabled multipoint connection let you switch effortlessly between work and play.

## Overview

The truefree O1 Open-Ear Headphones combine innovative over-ear air conduction technology with powerful 16.2mm dynamic drivers and Bluetooth 5.3 for a secure, immersive audio experience. Designed for professionals on the move, they offer 45 hours of total playtime, four-mic noise-cancelling calls, and app-controlled customization, ensuring you stay connected, aware, and in control during sports, work, and daily commutes.

## Description

Product Description Situational Awareness The open-ear design sits outside the ear canal, allowing ambient sounds to pass through. It allows you to remain aware of your surroundings and avoid potential dangers. Note: The Bluetooth performance may degrade with physical obstructions or interference from other wireless signals. Secure Fit The Truefree O1 earbuds feature an over-ear design with ear hooks that incorporate open-ear and air conduction technology. This innovative design ensures optimal music enjoyment and a comfortable wearing experience. With a weight of just 10g per earbud, the O1 provides a snug fit. Uninterrupted Pleasure Up to 10 hours of playtime per charge and additional recharges by the case keep your music going. Wide Soundstage The built-in 16.2mm speakers deliver enhanced details, reproducing the beauty of the original sound. Bass Enhancement The Exclusive algorithm ensures that every note comes alive and resonates confidently in your ears. Immerse Yourself in A Truly Opulent Experience Effortless Communication Sports Mate Featuring dual microphones to capture your voice with remarkable clarity while effectively reducing unwanted ambient noise. Enjoy crystal-clear calls that allow you to communicate at ease. The comfortable and secure fit of these earbuds makes them the perfect companion for your exercise sessions. They are designed to provide long-lasting comfort for extended periods. Unleash the Power of Effortless Operation Advanced Technology Bluetooth 5.3 ensures a high-quality audio experience by minimizing distortion, and delivering accurate sound reproduction. Intuitive Operation The intuitive touch control with access to music playback, phone calls, voice assistant, and game mode allows effortless control. 60ms Game Mode The combination of low latency and immersive sound reproduction creates a truly engaging gaming environment. Visible Power Utilizing three indicators to provide clear information about the remaining battery level and remind you to charge promptly. What can I do if the earphones stop connecting to my device? 1. Fully charge the earphones. 2. Perform a reset on the earphones. 3. Restart your phone, tablet, or computer. 4. Clear any unnecessary or unused Bluetooth connections from your device's list. 5. Turn Bluetooth off and then back on. What can I do if the earphones stop connecting to my device? 1. Fully charge the earphones. 2. Perform a reset on the earphones. 3. Restart your phone, tablet, or computer. 4. Clear any unnecessary or unused Bluetooth connections from your device's list. 5. Turn Bluetooth off and then back on. Why are the earphones still connecting to my phone after placing them back and closing the case lid? 1. If the case battery is completely drained, placing the earphones inside won’t power them off. 2. Ensure the earphones are properly seated in the case, with the charging pins aligned. 3. Make sure the case lid is fully closed. Why are the earphones still connecting to my phone after placing them back and closing the case lid? 1. If the case battery is completely drained, placing the earphones inside won’t power them off. 2. Ensure the earphones are properly seated in the case, with the charging pins aligned. 3. Make sure the case lid is fully closed. How to reset the TRUEFREE O1? 1. Place the earphones in the charging case and open the lid. 2. Press and hold the button on the charging case for 10 seconds until the indicator light flashes twice—this signals that the reset is complete. How to reset the TRUEFREE O1? 1. Place the earphones in the charging case and open the lid. 2. Press and hold the button on the charging case for 10 seconds until the indicator light flashes twice—this signals that the reset is complete. Why is the Bluetooth connection unstable sometimes? The Bluetooth connection may be unstable due to interference, low battery, physical obstructions, or pairing with too many devices. Why is the Bluetooth connection unstable sometimes? The Bluetooth connection may be unstable due to interference, low battery, physical obstructions, or pairing with too many devices.

Review: Great - Great value and so comfortable. Charge latss for ages
Review: Faultless for the price - For the price, especially Vs more expensive options, they're faultless. Have used some more expensive options and they didn't last. They don't sound as good as more expensive options but honestly, for the price difference, it's a fair compromise. You're never going to get anywhere near audiophile quality with open ear headphones. Highly recommend.

## Features

- [Comfortable Fit & Situational Awareness] - The Truefree O1 headphones offer a worry-free fit with the over-ear hooks, eliminating concerns about small ear canals, long-time wearing discomfort, and frequent falling out. The open-ear design allows you to stay connected to your surroundings. Whether navigating bustling streets or engaging in outdoor activities, you will never miss a precious moment and remain alert in noisy environments.
- [Immersive Sound & Powerful Bass] - Enjoy an exceptional audio experience with the Truefree O1 earbuds equipped with impressive 16.2mm drivers. The large speakers create a spacious soundstage, revealing intricate details and faithfully reproducing the original sound. Coupled with an advanced bass enhancement algorithm, these earbuds deliver a delightful and immersive sound, accentuated by deep and powerful bass.
- [Four Microphones & Directional Sound Transmission] - With four microphones and advanced ENC noise cancellation technology, the earbuds effectively filter environmental noise and deliver crystal-clear voice during phone calls. Adopt innovative directional sound transmission technology to eliminate the sound leakage issue and ensure that you can fully immerse yourself in your music, podcasts, or calls without disturbing those around you.
- [Extended Listening Time & Game Mode] - Up to 10 hours of listening time on a single charge with the earphones, and conveniently recharge them with the portable charging case for a total of 45 hours. Whether doing sports, commuting, or working, these earphones are the perfect companion. Freely enter and exit game mode with the left earbud. The earphones deliver highly synchronized sound and images to optimize your game experience.
- [Advanced Bluetooth Technology & Broad Compatibility] - Utilize the latest chipset with Bluetooth 5.3 to provide a stable connection and effective transmission with low latency and consumption. It ensures a seamless connection between single and twin modes. The broad compatibility supports working with most Bluetooth-enabled devices with version 4.0 and above, allowing you to enjoy your audio wirelessly without any limitations.
- [App Control & Dual Connection] - Download the TRUEFREE App from the Apple Store or Google Play for enhanced customization options, preset EQs (sound equalizer), and multipoint connection control. The multipoint connection function enables simultaneous pairing with two devices and effortless switching between them.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CTJQ57C9 |
| Age Range Description | Adult |
| Antenna Location | Calling, Cycling, Exercising, Running |
| Audio Driver Size | 16.2 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 45 Hours |
| Battery Charge Time | 45 Hours |
| Best Sellers Rank | 1,608 in In-Ear Headphones |
| Bluetooth Range | 20 Metres |
| Bluetooth Version | 5.3 |
| Box Contents | Truefree O1 Earbuds, USB-C Charging Cable, User Manual, Wireless Charging Case |
| Brand | truefree |
| Brand Name | truefree |
| Cable Features | Without Cable |
| Carrying Case Battery Capacity | 800 Milliamp Hours |
| Carrying Case Battery Charging Time | 2 Hours |
| Carrying Case Color | Black |
| Carrying Case Height | 33 Millimetres |
| Carrying Case Length | 92.5 Millimetres |
| Carrying Case Material | Thermoplastic elastomer (TPE) or similar materials |
| Carrying Case Weight | 103 Grams |
| Carrying Case Width | 71.9 Millimetres |
| Colour | White |
| Compatible Devices | Bluetooth-enabled devices |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Touch |
| Customer Package Type | FFP |
| Customer Reviews | 4.1 out of 5 stars 5,475 Reviews |
| Ear placement | Open Ear |
| Earpiece Shape | angular |
| Enclosure Material | Plastic |
| Form factor | Open Ear |
| Frequency Range | 20KHz |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06974685081484 |
| Headphone Form Factor | Open Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 16 Ohms |
| Item Weight | 100 Grams |
| Manufacturer | truefree |
| Model Name | Truefree O1 |
| Model Number | TRUEFREE O1 |
| Network Connectivity Technology | Wireless |
| Noise Control | Active Noise Cancellation |
| Noise control | Active Noise Cancellation |
| Number of Items | 1 |
| Product Features | Open-Ear, Air Conduction, Over-Ear Hooks, Bluetooth 5. |
| Sensitivity | 123 dB |
| Specific Uses For Product | Music, play games, sports, calls |
| Style Name | Modern |
| Theme | Commute, Sports, Work |
| Unit Count | 2.0 count |
| Water Resistance Level | Water Resistant |
| Wireless Technology Type | Bluetooth |

## Product Details

- **Brand:** truefree
- **Colour:** White
- **Ear placement:** Open Ear
- **Form factor:** Open Ear
- **Frequency response:** 20 KHz
- **Headphone jack:** No Jack
- **Impedance:** 16 Ohms
- **Model name:** Truefree O1
- **Noise control:** Active Noise Cancellation
- **Sensitivity:** 123 dB

## Images

![truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control - Image 1](https://m.media-amazon.com/images/I/516gXzENw1L.jpg)
![truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control - Image 2](https://m.media-amazon.com/images/I/71C88PyYxyL.jpg)
![truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control - Image 3](https://m.media-amazon.com/images/I/71VsFRCpj9L.jpg)
![truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control - Image 4](https://m.media-amazon.com/images/I/61ILBWJxuPL.jpg)
![truefree O1 Open-Ear Headphones, Bluetooth 5.3 Wireless Earbuds with Ear Hooks, Over-Ear Air Conduction Tech for Sports, Four Mics Clear Calls, 45 Hours of Playtime, 16.2mm Enhanced Bass, App Control - Image 5](https://m.media-amazon.com/images/I/71L5YVVQr3L.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What can I do if the earphones stop connecting to my device?**
A: 1. Fully charge the earphones. 2. Perform a reset on the earphones. 3. Restart your phone, tablet, or computer. 4. Clear any unnecessary or unused Bluetooth connections from your device's list. 5. Turn Bluetooth off and then back on.

**Q: Why are the earphones still connecting to my phone after placing them back and closing the case lid?**
A: 1. If the case battery is completely drained, placing the earphones inside won’t power them off. 2. Ensure the earphones are properly seated in the case, with the charging pins aligned. 3. Make sure the case lid is fully closed.

**Q: How to reset the TRUEFREE O1?**
A: 1. Place the earphones in the charging case and open the lid. 2. Press and hold the button on the charging case for 10 seconds until the indicator light flashes twice—this signals that the reset is complete.

**Q: Why is the Bluetooth connection unstable sometimes?**
A: The Bluetooth connection may be unstable due to interference, low battery, physical obstructions, or pairing with too many devices.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by M***H on 8 May 2026*

Great value and so comfortable. Charge latss for ages

### ⭐⭐⭐⭐⭐ Faultless for the price
*by M***S on 8 March 2026*

For the price, especially Vs more expensive options, they're faultless. Have used some more expensive options and they didn't last. They don't sound as good as more expensive options but honestly, for the price difference, it's a fair compromise. You're never going to get anywhere near audiophile quality with open ear headphones. Highly recommend.

### ⭐⭐⭐⭐ Good sound
*by N***A on 15 February 2026*

I find them a bit difficult to use but is the nature of touch controls. Finally getting the hang of them .

## Frequently Bought Together

- truefree O1 Open Ear Headphones Bluetooth 5.3 Wireless Open Ear Earbuds with 16.2mm Driver, Immersive Stereo Sound, Noise-Cancellation Mic for Clear Calls, 45H Playtime, for Sports Workout,White
- truefree O1 Open Ear Headphones Bluetooth 5.3 Wireless Open Ear Earbuds with 16.2mm Driver, Immersive Stereo Sound, Noise-Cancellation Mic for Clear Calls, 45H Playtime, for Sports Workout

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.gr/products/629677623-truefree-o1-open-ear-headphones-bluetooth-5-3-wireless-earbuds](https://www.desertcart.gr/products/629677623-truefree-o1-open-ear-headphones-bluetooth-5-3-wireless-earbuds)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-22*