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The Truefree O1 Open Ear Bluetooth 5.3 Sports Headphones combine cutting-edge air conduction technology with a secure over-ear hook design, delivering immersive sound through 16.2mm drivers and crystal-clear calls via four noise-cancelling microphones. With an impressive 45-hour total battery life, ultra-stable Bluetooth 5.3 connectivity, and app-enabled customization, these headphones are engineered for active professionals who demand comfort, clarity, and all-day performance without losing touch with their surroundings.

| ASIN | B0CTJQ57C9 |
| Age Range Description | Adult |
| Antenna Location | Sports, Games |
| Audio Driver Size | 16.2 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 10 Hours |
| Battery Charge Time | 45 Hours |
| Best Sellers Rank | #478,956 in Electronics ( See Top 100 in Electronics ) #21,132 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 | White |
| 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 | Grey White |
| Compatible Devices | Bluetooth Devices |
| Control Method | App |
| Control Type | Touch Control |
| Controller Type | Touch |
| Country of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 5,412 Reviews |
| Ear Placement | Open Ear |
| Earpiece Shape | Ear or Wing Hook |
| Enclosure Material | Plastic |
| Form Factor | Open Ear |
| Frequency Range | 20 Hz - 20 KHz |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06974685081484 |
| Headphone Form Factor | Open Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 30 Ohms |
| Impedance Unit of Measure | 30 Ohms |
| Item Weight Unit of Measure | 100 Grams |
| Manufacturer | truefree |
| Model Name | Truefree O1 |
| Model Number | Truefree O1 |
| Network Connectivity Technology | Wireless |
| Noise Control | None |
| Number of Items | 1 |
| Product Features | Fast Charging, Microphone Included, Multipoint Pairing, Touch Control |
| Sensitivity | 123 dB |
| Specific Uses For Product | Sports, Music, Games |
| Style Name | Comfortable, Traditional, Automatic, Powerful, Wireless |
| Subject Character | Game |
| Theme | People |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
| Wireless Technology Type | Bluetooth |
P**R
Best One Lovely Sound, Just Wow!
Wow! The product goes beyond expectation, it feels like you didn't wear it. It delivers sound with every details and battery lasts more than 9 hrs in single case. I ordered this product on 04 Jan 2024 and the delivery date was 23 Jan 24 but it was delayed due to weather issues. But the importer/seller "Peach imports" helped me a lot and delivered it whereas Amazon customer service asked me to take refund. But the seller was so helpful and gave me prompt response. Thumbs Up to Product and Thumbs Up to Peach Imports.👌👌👌🥳🥳🥳🥳
P**R
One of the best calling open ear earbuds
Awesome call quality, good bass in music... what else one could want? Battery life is also impressive. Pretty light on ears, can be worn at a stretch of 12-14 hours
R**R
Good one
Good one
S**L
Reasonably priced air conduction ear phones.
Great
A**O
cuffie wireless comode, affidabili e con un audio pulito
Le truefree Cuffie Bluetooth 5.3 ad orecchio aperto sono davvero un ottimo acquisto! Il design con ganci per orecchi le rende super stabili e piacevoli da indossare, ideali per chi le usa mentre si muove o fa attività fisica. La qualità del suono è sorprendentemente pulita e bilanciata per il prezzo: voci chiare, bassi definiti e zero distorsioni anche al volume medio-alto. La connessione Bluetooth 5.3 è veloce e stabile, senza interruzioni fastidiose. Una delle cose che mi ha colpito di più è il comfort: dopo poco ti dimentichi di averle addosso — non danno fastidio anche durante ascolti prolungati. La durata della batteria è eccellente, davvero ci si può contare per ascolti prolungati fuori casa o in viaggio. In sintesi, ottime cuffie wireless comode, affidabili e con un audio pulito. Consigliatissime! ⭐⭐⭐⭐⭐
R**D
Comfortable & Lightweight For outdoor
Pros✅ Comfortable & Lightweight– The open-ear design and soft ear hooks make them easy to wear for extended periods, ideal for workouts. - Clear Sound Quality – Features16.2mm enhanced bass drivers, providing a solid audio performance, though not as powerful as premium brands. - Stable Bluetooth 5.3 Connection – Ensures fast pairing and a low-latency experience, suitable for streaming and gaming. - Long Battery Life – Up to10 hours per charge, with a total of 54 hours, when using the charging case. - Transparency Mode – Allows users to stay aware of their surroundings, great for outdoor Cons❌ -Limited Noise Isolation- The open-ear design means background noise can interfere, making them, less ideal for noisy environments. - Mic Performance – Some users note that the microphone sounds hollow, affecting call quality. Sound Leakage– Since they don’t seal around your ears,audio may be heard by people nearby at higher volumes. Touch Controls Can Be Sensitive – Accidental touches might cause unwanted pauses or skips.
W**N
سماعات بايظه
جالي سماعه شغاله والتانية بايظه ومش بتشحن وقعدت وقت كبير ع ما جيتلي وكمان فلوسي بقالها اسبوع ومرجعتش ف الحساب تجربه سيئه جدا
M**T
Good open ear buds at a decent price
Bought these for use at the office so I can listen to music without isolation. Isolation is nice when you need it, but our office is a collaborative environment and many times I'd be listening to music only to look up from my screen to see a coworker trying to get my attention. A colleague has some Shockz Open Run earphones for this use, but I wanted to try the open ear idea before committing so much money, so I picked up these. I have been very happy with them so far after 2 weeks of use. I find that earbuds are hard to fit and many on ear headphones press against my glasses after hours of use. These hook nicely over the ear and are mostly compatible with my glasses earpieces only interfering when I take my glasses on and off which is pretty rare inside. I find them very comfortable for long term wear and the biggest feature is that I don't need to take them off to talk to someone. Sound quality is pretty good, if lacking in bass a bit when compared to an in-ear phone. Phone connectivity is good and the Bluetooth range is likewise good. I quite like the phone call experience with these as you can hear your own voice better when compared to in-ears. Battery life is good and compares well with similar wireless earphones. My use case is primarily office use with normal office background noise, like talking, a/c etc. I can keep the volume relatively low and still hear my music in this environment while being alert to others. I've used them outside for walking in busy streets and they're ok, but had to turn the volume up more to hear it over traffic. I tried to use them on a plane but they were pretty useless against that amount of background noise, so I switched to my cheap in-ear Soundcore Life 2 with foam eartips, which provided the needed isolation. Good open earphones at a decent price.
D**T
customer support was helpful
The first pair I received stopped working about 4 weeks after purchasing. But I contacted support and they were incredibly responsive and helpful and remedied the situation immediately. I have now been using my replacement set for months. I am completely satisfied with my purchase. The quality is probably even better than the value for money.
Trustpilot
3 days ago
1 month ago