---
product_id: 639438683
title: "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"
brand: "truefree"
price: "¥214"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/639438683-truefree-o2-open-ear-headphones-with-directional-acoustics-ultra-light
store_origin: JP
region: Japan
---

# Fast 1h15m full charge IPX5 sweat & splash proof 15mm drivers with directional acoustics 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

**Brand:** truefree
**Price:** ¥214
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Elevate your workout & workday with sound that moves as fast as you do!

## Quick Answers

- **What is this?** 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 by truefree
- **How much does it cost?** ¥214 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/639438683-truefree-o2-open-ear-headphones-with-directional-acoustics-ultra-light)

## 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 Aware, Stay Safe:** Open-ear design plus IPX5 waterproofing means you hear your music and the world around you—perfect for workouts or office multitasking.
- • **Ultra-Light & Secure Fit:** Weighing just 8g with ergonomic NiTi alloy hooks, these earbuds stay put through every move—run, jump, or hustle without a slip.
- • **All-Day Power & Game Mode:** Up to 22 hours total playtime with fast charging and a dedicated game mode that sharpens critical audio cues for competitive edge.
- • **Immersive Sound, Minimal Leakage:** 15mm dynamic drivers with bass boost and directional acoustics deliver rich, private sound without disturbing those nearby.
- • **Seamless Multipoint Connectivity:** Bluetooth 5.3 and Truefree app let you connect to two devices simultaneously—switch calls, music, and videos effortlessly.

## Overview

The truefree O2 Open Ear Headphones combine ultra-lightweight comfort with advanced directional acoustics and IPX5 waterproofing. Featuring 15mm drivers, Bluetooth 5.3, and multipoint connection via a dedicated app, they deliver immersive sound with minimal leakage and seamless device switching. With up to 22 hours of playtime and fast charging, these earbuds are designed for active professionals who demand both situational awareness and premium audio performance.

## Description

desertcart.com: 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 : Electronics

## Features

- Ultra-comfort & Secure Fit: Open ear headphones feature 8g, light weigh and ultra-soft silicone ear hooks, which provide you with an super-comfort wearing experience. NiTi alloy memory steel wire and ergonomic hook ensure stable wearing for users with different ear shape, minimize the risk of slipping while walking, running, and jumping.
- IPX5 Waterproof & Situational Awareness: Enhanced with a IPX5 waterproof rating, open ear earbus empower you to do intense workouts with confidence. Open-ear design allows you to stay connected with favorite audio and surroundings. Ideal for use in the office and gym where you can interact with others while enjoy music.
- [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 Call & Stylish Appearances: Dual-mic noise cancelling filter out external noise and precisely capture your voices, offering crystal-clear calls and accurate voice transmission in any environment, just like a face-to-face communication. The charging case is made of new paint-free material and laser texture process, not only environmentally friendly and scratch-resistant, but also fashionable and technological.
- APP Control & Multipoint Connection: Download the“Truefree" APP on the APP store. With Truefree APP, you can easily customise your control function like game mode, adjust the EQ to tune the optimal sound and update the firmware. Choose the " Dual Device Connection" in the APP, you can connect ear buds to two devices, and can easily switch music, videos, calls, and more between 2 devices.
- Fast Charging & Game Mode: Charging case can be fully charged in 1h15min, and provide up to 6.5 hours on a single charge and 22 hours of uninterrupted listening in total. In game mode, bluetooth headphones can accurately capture the sound of footsteps, gunfire, and other critical audio cues, helping players quickly identify enemy positions and gain a competitive edge.
- TRUEFREE WON'T LET YOU DOWN: Customer is the first priority. TRUEFREE is commited to providing you with excellent experience. Please don't hesitate to reach to us if you have any problem or suggestion about the product. We are ready to offer you a satisfactory solution.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D54DLM8V |
| Additional Features | Fast Charging, Lightweight, Microphone Included, Multipoint Pairing, Sweatproof |
| Age Range Description | Adult |
| Antenna Location | Calling, Cycling, Exercising, Running |
| Audio Driver Size | 15 millimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Latency | 76 milliseconds |
| Battery Average Life | 6.5 hours |
| Battery Charge Time | 75 minutes |
| Best Sellers Rank | #161,490 in Electronics ( See Top 100 in Electronics ) #6,293 in Earbud & In-Ear Headphones |
| Bluetooth Range | 6 meters |
| Bluetooth Version | 5.3 |
| Brand Name | truefree |
| Built-In Media | Cable, User Manual |
| Cable Features | Without Cable |
| Carrying Case Battery Average Life | 22 hours |
| Carrying Case Battery Capacity | 500 milliamp_hours |
| Carrying Case Battery Charging Time | 75 minutes |
| Carrying Case Color | Black |
| Carrying Case Height | 26 millimeters |
| Carrying Case Length | 9.2 centimeters |
| Carrying Case Material | Eco-friendly scratch-resistant material |
| Carrying Case Weight | 71 g |
| Carrying Case Width | 5.7 centimeters |
| Color | Black |
| Compatible Devices | Cellphones, Laptops, Tablets |
| Connectivity Technology | Wireless |
| Control Method | App |
| Control Type | Touch Control |
| Controller Type | Touch |
| Customer Package Type | packaging |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,431) |
| Earpiece Shape | Hook |
| Enclosure Material | Silicone |
| Frequency Range | [20 Hz, 20000 Hz] |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06974685081637 |
| Headphone Folding Features | open ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 12 ohm |
| Item Weight | 10 g |
| Manufacturer | truefree |
| Model Name | truefree O2 |
| Model Number | truefree O2 |
| Noise Control | Environmental Noise Cancellation |
| Number of Items | 1 |
| Sensitivity | 114 db |
| Series Number | 2 |
| Specific Uses For Product | Entertainment, Fitness, Travel |
| Style Name | Modern |
| Subject Character | Game |
| Theme | Commute, Sports, Work |
| Unit Count | 1 Count |
| Warranty Description | 12 months |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** truefree
- **Color:** Black
- **Ear Placement:** Open Ear
- **Form Factor:** open ear
- **Impedance:** 12 ohm

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61V2aWyujcL.jpg)

## 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.jp/products/639438683-truefree-o2-open-ear-headphones-with-directional-acoustics-ultra-light](https://www.desertcart.jp/products/639438683-truefree-o2-open-ear-headphones-with-directional-acoustics-ultra-light)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-24*