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🎧 Elevate your audio game with TOZO O2 — where comfort meets unstoppable connectivity!
The TOZO O2 Open Ear Wireless Earbuds feature a unique dual-axis adjustable design for a customizable fit, Bluetooth 5.3 with dual device connectivity, and an impressive 42-hour battery life. Their open ear form factor enhances safety and comfort, making them ideal for driving, work, and active lifestyles. Equipped with TOZO’s ORIGX acoustic technology and app-based EQ controls, these earbuds deliver rich bass and clear calls, all housed in a sleek, wireless charging case.





















| ASIN | B07KY771CT |
| Age Range Description | Adult |
| Antenna Location | Driving, video calls |
| Audio Driver Size | 14.2 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Audio Latency | 55 Milliseconds |
| Battery Average Life | 42 Hours |
| Battery Charge Time | 1.5 Hours |
| Best Sellers Rank | 81 in Open-Ear Headphones |
| Bluetooth Range | 10 Metres |
| Bluetooth Version | 5.3 |
| Box Contents | Wireless Charging Case |
| Brand | TOZO |
| Brand Name | TOZO |
| Cable Features | Without Cable |
| Carrying Case Battery Capacity | 650 Milliamp Hours |
| Carrying Case Battery Charging Time | 2 Hours |
| Carrying Case Color | Pink |
| Carrying Case Height | 2.7 Centimetres |
| Carrying Case Length | 9.3 Centimetres |
| Carrying Case Material | Plastic |
| Carrying Case Weight | 100 Grams |
| Carrying Case Width | 5.8 Centimetres |
| Colour | Pink |
| Compatible Devices | Telephones |
| Control Method | App |
| Control Type | Media Control or Call Control |
| Controller Type | Media Control |
| Country of Origin | China |
| Customer Package Type | FFP |
| Customer Reviews | 4.2 out of 5 stars 9,573 Reviews |
| Ear placement | Open Ear |
| Earpiece Shape | Open Ear |
| Enclosure Material | Plastic |
| Form factor | Open Ear |
| Frequency Range | 20Hz - 20kHz |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06971681318705 |
| Headphone Form Factor | Open Ear |
| Headphone Jack | No plug |
| Headphones Ear Placement | Open Ear |
| Impedance | 16 Ohms |
| Is Autographed | No |
| Item Weight | 0.02 Grams |
| Manufacturer | TOZO |
| Model Name | tozo_open_buds |
| Model Number | OpenWear |
| Network Connectivity Technology | Wireless |
| Noise Control | Passive Noise Cancellation |
| Noise control | Passive Noise Cancellation |
| Number of Items | 1 |
| Product Features | Noise Cancellation |
| Sensitivity | 100 dB |
| Series Number | 13187 |
| Specific Uses For Product | driving, video calls |
| Style Name | Open ear design |
| Subject Character | Surround Sound, Noise Cancellation, Multipoint Pairing, Dual Ear, Game, Lightweight, Phone Control, Sports & Exercise, Volume Control, Water-Resistant, With Microphone, Echo Cancellation, Microphone Included, Fast Charging, Rechargeable Battery, Sweatproof, Touch Control, Android Phone Control, Microphone Feature, Universal Phone Control, iOS Phone Control |
| Theme | Anime, Cartoon, Fantasy, TV Series, Video Game, Sport, Music, Game, Motorcycle, Office Meetings |
| Total USB 2.0 Ports | 1 |
| Unit Count | 1.0 count |
| Water Resistance Level | Water Resistant |
| Wireless Technology Type | Bluetooth |
M**K
Brilliant for those who don't like the in-ear design of buds
The T20 tonal earphones have a similar case to the T21. The blue colour is beautiful. These earphones are one-size-fits-all so you don’t have to worry about finding the right sized eartips. They feel solid in the hand. They are shaped individually for ergonomic fit into each ear. The bass response on these is pretty good. Tozo have clearly tuned these to be bass heavy to compensate for the semi-open design. Unfortunately, this makes then sound muddy. The one-size approach means some people will find they fall out of your ears. I don’t mind this so much as you benefit from the openness. There is no occulation issue here and these are great for people who don’t like the sensation of being closed off with in-ear type earbuds. With this style that has the stem, any adjustment you try to make of the buds means you will end up tapping on the touch sensitive earbud and pause your music. I normally adjust both earbuds one at a time so I end up pausing my music when adjusting the right ear and resuming it again when adjusting the left. I do not have this issue with other non-stem style earbuds. The good news is that when using the Tozo app you can chose what the touch controls do. You can even switch them off completely if this bothers you. Considering that these do not go into your ear canal, they do not occulate and cause fatigue they offer a punchy sound. You can achieve better sound by using the EQ in the app. They offer wireless charging, USB-C charging and look very elegant with the OLED display. Tozo's products have matured signifcantly. They now have a deign language across their product range and that makes switching between products a seamless breeze
R**E
Favourite earphones
3rd paid we have bought we all have a pair 😄 comfy and good quality to listen too. Not tge best for receiving phone calls but you can. Great for 1 ear and being avle to hear work colleagues or children 😀 great value for money.
A**Y
Very good quality
These are very good. Battery charge lasts a while, even when they've not been used for ages. Sound quality is very good. Just a little bit annoying when they slip out of your earhole, as this will make one of the buds turn off.
M**.
True Comfort and Impressive Sound – A Game-Changer for Open-Ear Earbuds
I've been using TOZO earbuds for several years now, and they've consistently impressed me with their quality and performance. However, like many people, I’ve never been fully comfortable with in-ear buds for long listening sessions. That’s why I was especially excited to try the TOZO O2 True Open Ear Wireless Earbuds : and they’ve completely exceeded my expectations. These are truly lightweight and incredibly comfortable. In fact, it's easy to forget you're even wearing them. The open-ear design solves the comfort issue I’ve always had with traditional earbuds, making them perfect for long-term use without any irritation or pressure. The sound quality is fantastic; clear, rich, and surprisingly immersive for an open-ear design. Pairing was quick and seamless, just like with other TOZO products I’ve owned. My whole family uses TOZO gear — my kids, my wife, and myself and we've never been disappointed. The O2s continue that tradition of reliability and innovation. One small suggestion: my previous in-ear TOZO buds had a charging case with multiple lights to show the battery level. With the O2, there's only a single light that indicates when the case is fully charged, but it doesn’t show the current charge level. It’s a minor thing, but having that feature would be helpful. I chose the grey color, and I’m glad I did because it blends well with my typical clothing and looks sleek and understated. All in all, this is another excellent product from TOZO. If you're looking for a pair of wireless earbuds that are comfortable, sound great, and let your ears breathe, the TOZO O2 is a fantastic choice. Highly recommended.
R**8
Surprisingly good for the price!
I adore these headphones. The battery life in a day isn't as long as I had hoped for but they charge quickly. Once you get your head around the app they are super easy to use and the sound quality is much better than I expected. The fit is fine, although you do have to mess with them a little to find the perfect fit. As long as you plug the charging case in once every couple of days and are prepared to faff a little these are really good quality headphones.
G**1
If you like reasonable bass there are better options
I purchased these as a backup to my Tozo 02's as I wear them for very long periods and when the 02's go flat I can just switch over to a fully charged pair whilst waiting for the others to charge. This however has lead me to notice a very distinct difference between the two with the Tozo OpenWear's coming off the worse of the two. The 02's have a very nice rounded out sound with pretty good bass for this style of earphone whilst the OpenWear's are not as good. They are not bad but if you like some decent bass (not talking thumping bass here) then get the 02's. As is always the case, this is just my experience.
K**R
Sound
Great buy sound is great and
E**Z
Not worth it
Had for just over a month and they are not fit for use, when wanted they don't connect to my phone. And when not needed they constantly attempt to connect to my phone when in storage case, which drains the battery, so when ever they are needed the battery is flat.
A**A
Super
Bardzo przydatne
M**L
انصدمت
للاسف جاء لى لون مختلف عن الذى مختارة لكن كمستوى السماعه جيد
B**S
Correct et son agréable mais pas d'anc
Très correct malheureusement retourné car pas d'anti-bruit.
H**D
Slutade fungera
Tyckte hörlurarna var bra så länge den funkade men ena hörluren slutade fungera efter ett par veckor så det blev retur och reklamation.
D**D
Beyond my expectations!!
I have some somewhat expensive, great quality earbuds that I use the majority of the time. I needed a backup pair to use occasionally and for when family needs some (to keep their ear wax off mine! Lol). Because of their low price and the decent looking features, I gave these a try. My expectations were not too high but to my surprise, when I first used them, the sound quality was on par with my other earbuds. And the noise cancellation was surprisingly good. Also appreciative of the clear voice quality when on calls. I still prefer the others for my regular personal use, but these are an exceptional second pair!
Trustpilot
1 month ago
5 days ago