---
product_id: 629677623
title: "truefree O1 Open-Ear Headphones, Wireless Earbuds with Ear Hooks"
brand: "truefree"
price: "¥11150"
currency: JPY
in_stock: true
category: "Truefree"
url: https://www.desertcart.jp/products/629677623-truefree-o1-open-ear-headphones-wireless-earbuds-with-ear-hooks
store_origin: JP
region: Japan
---

# 16.2mm dynamic drivers Bluetooth 5.3 low latency 45 hours total battery life truefree O1 Open-Ear Headphones, Wireless Earbuds with Ear Hooks

**Brand:** truefree
**Price:** ¥11150
**Availability:** ✅ In Stock

## Summary

> 🎧 Stay connected, stay ahead — sound that moves with you.

## Quick Answers

- **What is this?** truefree O1 Open-Ear Headphones, Wireless Earbuds with Ear Hooks by truefree
- **How much does it cost?** ¥11150 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/629677623-truefree-o1-open-ear-headphones-wireless-earbuds-with-ear-hooks)

## 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

- • **Crystal-Clear Calls:** Four mics with ENC noise cancellation ensure your voice is heard, not the noise.
- • **All-Day Power & Game Mode:** Up to 10 hours per charge, 45 hours total with case, plus ultra-synced game mode.
- • **Immersive Audio Experience:** Powerful 16.2mm drivers with bass enhancement deliver rich, detailed sound.
- • **Unshakable Comfort & Safety:** Over-ear hooks + open-ear design keep you secure and aware in any environment.
- • **Seamless Connectivity & Control:** Bluetooth 5.3 with multipoint pairing and app EQ customization for ultimate flexibility.

## Overview

The Truefree O1 Open-Ear Wireless Earbuds combine a secure over-ear hook fit with an open-ear design for situational awareness. Featuring 16.2mm dynamic drivers and advanced bass enhancement, they deliver immersive sound. Four microphones with ENC noise cancellation provide crystal-clear calls. Bluetooth 5.3 ensures stable, low-latency connections with multipoint support. Enjoy up to 10 hours per charge and 45 hours total with the portable case, plus a dedicated game mode for synchronized audio-visual experience. Customizable via the TRUEFREE app, these earbuds are perfect for active professionals seeking comfort, safety, and premium sound on the go.

## Description

From the brand Truefree O1 Visit the store Truefree O1 Visit the store

## 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 | 175 in Open-Ear Headphones |
| Bluetooth Range | 20 Metres |
| Bluetooth Version | 5.3 |
| Box Contents | Truefree O1 Earbuds, USB-C Charging Cable, User Manual |
| 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 |
| Country of Origin | China |
| Customer Package Type | FFP |
| Customer Reviews | 4.1 4.1 out of 5 stars (5,449) |
| Earpiece Shape | angular |
| Enclosure Material | Plastic |
| 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 |
| 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, Wireless Earbuds with Ear Hooks - Image 1](https://m.media-amazon.com/images/I/516gXzENw1L.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.

## 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.jp/products/629677623-truefree-o1-open-ear-headphones-wireless-earbuds-with-ear-hooks](https://www.desertcart.jp/products/629677623-truefree-o1-open-ear-headphones-wireless-earbuds-with-ear-hooks)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-17*