---
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: "249 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/629677623-truefree-o1-open-ear-headphones-bluetooth-5-3-wireless-earbuds
store_origin: PL
region: Poland
---

# 16.2mm Enhanced Bass Four Mics for Clear Calls 45 Hours 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:** 249 zł
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate Your Sound, Stay in the Moment!

## 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?** 249 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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

- • **Smart App Control:** Customize sound and manage connections effortlessly.
- • **Stay Connected & Aware:** Open-ear design keeps you alert in any environment.
- • **Immersive Audio Experience:** 16.2mm drivers deliver deep, powerful sound.
- • **Crystal-Clear Communication:** Four mics with ENC for noise-free calls.
- • **Extended Playtime On-the-Go:** 10 hours per charge, 45 hours with case.

## Overview

The Truefree O1 Open-Ear Headphones combine cutting-edge Bluetooth 5.3 technology with an innovative open-ear design, ensuring comfort and situational awareness. With 16.2mm drivers for immersive sound, four microphones for clear calls, and an impressive 45 hours of total playtime, these earbuds are perfect for sports, commuting, or gaming. The TRUEFREE App enhances your listening experience with customizable EQ settings and multipoint connection capabilities.

## Description

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

## 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 |
| Audio Driver Size | 16.2 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Battery Life | 10 Hours |
| Best Sellers Rank | #88,704 in Electronics ( See Top 100 in Electronics ) #810 in Open-Ear Headphones #4,095 in Earbud & In-Ear Headphones |
| Bluetooth Range | 20 Meters |
| Bluetooth Version | 5.3 |
| Cable Feature | Without Cable |
| Carrying Case Color | White |
| Carrying Case Height | 33 Millimeters |
| Carrying Case Length | 92.5 Millimeters |
| Carrying Case Material | Thermoplastic elastomer (TPE) or similar materials |
| Carrying Case Weight | 103 Grams |
| Carrying Case Width | 71.9 Millimeters |
| Charging Time | 45 Hours |
| Compatible Devices | Cellphones, Laptops, Tablets |
| Connectivity Technology | Wireless |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Touch |
| Customer Reviews | 4.2 4.2 out of 5 stars (5,283) |
| Date First Available | April 17, 2024 |
| Earpiece Shape | angular |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06974685081484 |
| Hardware Interface | USB |
| Headphones Jack | No Jack |
| Included Components | Charging Case, Truefree O1 Earbuds, USB-C Charging Cable, User Manual |
| Input Device Interface | Bluetooth |
| Item Weight | 3.53 ounces |
| Item model number | Truefree O1 |
| Manufacturer | truefree |
| Material | Thermoplastic elastomer (TPE) or similar materials |
| Model Name | Truefree O1 |
| Noise Control | None |
| Product Dimensions | 2.14 x 1.56 x 0.84 inches |
| Recommended Uses For Product | Cycling, Exercising, Gaming, Office Meetings, Running |
| Sensitivity | 123 dB |
| Special Feature | Fast Charging, Microphone Included, Multipoint Pairing, Touch Control |
| Specific Uses For Product | Sport, Music, Gaming |
| Style | Comfortable, Traditional, Automatic, Powerful, Wireless |
| Supports Bluetooth Technology | Yes |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
| Wireless Communication Technology | Bluetooth |

## Product Details

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

## 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://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)

## Questions & Answers

**Q: What can I do if the earphones stop connecting to my device?**
A: 1. Fully charge the earphones.

**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.

**Q: How to reset the TRUEFREE O1?**
A: 1. Place the earphones in the charging case and open the lid.

**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.

## 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

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

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-28*