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🎧 Elevate your audio game with open-ear freedom and unstoppable battery life!
The TOZO O2 True Open Ear Wireless Headphones combine innovative dual-axis multi-angle adjustment with an open-ear design for unmatched comfort and safety. Featuring Bluetooth 5.3 with dual-device connectivity, a powerful 14.2mm dynamic driver, and up to 42 hours of total battery life, these earbuds deliver crystal-clear calls and immersive sound. The TOZO app enhances your experience with customizable EQ settings, making the O2 perfect for professionals on the move who demand style, convenience, and high performance.





















| ASIN | B0CP5X6HWT |
| Age Range Description | ALL |
| Antenna Location | Driving, calling, everyday life, travel |
| Audio Driver Size | 14.2 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Audio Latency | 55 Milliseconds |
| Battery Average Life | 42 Hours |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | 11 in Open-Ear Headphones |
| Bluetooth Range | 10 Metres |
| Bluetooth Version | 5.3 |
| Box Contents | Slim charging case, possibly a wireless charging case and a cable |
| Brand | TOZO |
| Brand Name | TOZO |
| Cable Features | Without Cable |
| Carrying Case Color | Blue |
| Carrying Case Height | 2.7 Centimetres |
| Carrying Case Length | 9.3 Centimetres |
| Carrying Case Material | Acrylonitrile butadiene styrene (ABS) |
| Carrying Case Weight | 57 Grams |
| Carrying Case Width | 5.8 Centimetres |
| Colour | Blue |
| Compatible Devices | Phone, Tablet, Laptop, Computer, Smart Speaker, TV |
| Control Method | Touch |
| Control Type | Media Control, Volume Control |
| Controller Type | Touch |
| Country of Origin | China |
| Customer Package Type | Cargo box with padding or protection |
| Customer Reviews | 4.3 out of 5 stars 48,567 Reviews |
| Ear placement | Open Ear |
| Earpiece Shape | open-ear |
| Enclosure Material | Metal, Plastic, Polyurethane (PU) |
| Form factor | Open Ear |
| Frequency Range | 20Hz - 20,000Hz |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06971681318989 |
| Headphone Form Factor | Open Ear |
| Headphone Jack | No Jack |
| 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 | TOZO OpenEgo |
| Network Connectivity Technology | Wireless |
| Noise Control | None |
| Noise control | None |
| Number of Items | 1 |
| Number of Power Levels | 2 |
| Product Features | Noise Cancellation |
| Product Warranty | 24 Months Warranty |
| Sensitivity | 100 dB |
| Specific Uses For Product | Business, Entertainment, Fitness |
| Style Name | Contemporary |
| Total USB 2.0 Ports | 1 |
| Unit Count | 1.0 count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | Bluetooth |
C**.
Absolutely fantastic purchase!!
I never leave reviews. But these are amazing. They stay on, great sound quality, work with no connection problems. Feel super comfortable and lightweight. My daughter (6) struggles to get ear buds to fit, these are perfect for her so now I have to buy her some :) there's also an app you can download for them too. Honestly the best ear buds ive had! Highly recommend!
J**R
Very comfortable for sports and general use
So far great. What I was after. Light Headphones which I could use for general use and while doing sports (running and gym) without moving or falling. Small enough, comfortable and pretty decent sound (specially if you consider the price). Good for phonecalls too. Happy surprise, as I have tried many headphones for sports which needed always for me to relocate them, move around, hurt my ears or kept falling while running. I still need to get used to the control touch pads, being so small is a bit fiddly but I m not too bothered about that. Hopefully these last in the long run. So far (2 week use) would buy again.
A**M
Good earphones with downsides.
Good quality and loud. They stay on while running just fine. Downsides are the fit, the piece on the back is pretty bulky so it won't fit everyone's ear. Also the touch button's are very awkward. No physical button, just have to double or triple tap a vague spot to pause/play or skip a track. No volume control.
K**Y
The best earphones EVER!
All my life (well, at least for the past 25-35+ years) I've struggled to find headphones/earphones that are comfortable which allow me to wear glasses & hats, etc., that don't fall out (either whilst moving or sitting still at my desk) and which do not require me to keep re-adjusting them... until now! These ear ring designed ear buds are what I've been looking for... super comfortable and incredible sound. The TOKO app is feature rich... allowing you to adjust the tap controls, modify EQ settings, find my earbuds AND has really cool tools like live translate, meeting recordings, plus a water drainage feature. Bluetooth connection is good... I can move about away from my phone and/or my computer with ease and there is not issues with connections or loss of sound quality. Battery life is good so far (I've only just got these)... but I love the feature of having extra battery in the case... an added plus when you're out or away from outlets. I brought these on offer, so I may buy a 2nd pair as I'm so impressed.
J**D
Good sound, Great value.
I wasn't expecting much but I'm pleasantly surprised. I have tiny ears, they fit comfortably, and the sound is good. They are secure even when I exercise. The quality is good. The sound is different than ones that go all of the way into the ear, but still good. They seem sturdy. I like them.
G**A
Nice if you can get them to keep charging
EDIT:One of the earbuds stopped charging, it won't connect properly to the base. Very disappointed. I wanted to try open ear headphones because I have farily small ears and the "normal" ones eventually hurt. These are very comfortable and I was able to wear them pretty much all day without discomfort. You can feel them resting on your ear but there is no pressure, yet somehow they stay put even when moving around. I was able to wear them in different positions so they might be ok even with piercings. However if your ears swell they may not be as comfortable. Surprisingly, there isn't too much sound leaking even when listening to music on the highest volume. They obviously don't have noise canceling, but they're still clear with some noise around, and allow some awareness of one's surroundings- I was able to listen to an audiobook while in a crowded area and heard it just fine. I'm no sound enthusiast, but I didn't notice any distortion or obvious loss of quality. The battery is fine, not the longest lasting but recharges very quickly. The two buds are pretty much identical so they can be worn on either ear, so if you use one at the time they effectively last twice as long even if you have a preferred side - nice when laying down on the side. I honestly didn't try the included charging cable since it's one of the silly short ones, but it's usb-c so fairly universal. The case seems sturdy. The magnets are good: holding it from either side the case doesn't open even when shaken. If it is open, the buds don't fall. Same during a few (gentle) drop tests - I feel confident they would do fine thrown in a bag. The shade of pink is cute! Not too bright (blends in surprisingly well with my skin tone), but also not so pale and warm-toned that it looks discolored. Overall I really like them, and I've been reaching for them more than my JBL in ears that cost far more.
S**L
Great
Great battery life The sound is good not as loud as in the ear earphones but loud enough ti enjoy. They are comfortable cant tell ylu are wearing them
W**R
Amazing quality for the price
These TOZO earbuds are very good for such a low cost. They have a really sleek and cool design, and I love that the case has a display showing you how much charge is available in it, that's a very useful quality of life feature. The case charges quickly and keeps the buds topped up very efficiently. I find these buds very comfortable to wear for long periods of time and the default ear tips fit just fine. There are other tips that come with it but I didn't need them. Bluetooth pairing was quick and easy, and I've had a very reliable connection to them. They have a decent range, I can generally walk 10 or more metres away before the connection starts to deteriorate. There's no noise cancelling here, which typically comes in higher-cost earbuds, however when music is playing, they do a fairly good job of blocking out background noise. Sound quality is surprisingly good for such low cost earbuds, pretty solid and punchy and they manage to have a decent amount of bass too. Very impressed for a low cost set of earbuds. If you're interested in noise cancelling and more high fidelity this won't tick the boxes, but if you want a good all rounder at a bargain price, this is well worth your money.
P**T
Top
Pas mal pour le prix. Tiens bien en place. Le son est agréable .
P**N
Great valued, long battery life Bluetooth headphones. Good service.
Music sound quality was good. Noise cancellation works well. Great battery life. Only concern was during a call, the other party could not hear me well (“muffled sound”). I contacted the company, they agreed to quickly replace the headphones.
H**A
Kaliteli ses
Eğer benim sadece müzik dinlemek için alıyorsanız mükemmel , her ses her ritm ayrı ayrı ve net . Ama görüşme ağırlıklı olacaksa diğer modelller bakılabilir
R**B
Rapport qualité prix très bon !
Très heureuse de cet achat ! Je voulais tester ce type d'écouteur depuis très longtemps et c'est beaucoup mieux que les écouteurs intra-auriculaires. Ces écouteurs sont confortables, le son est vraiment bon et des personnes ont complimenté la qualité du son quand je leur parle, donc le microphone est aussi validé. Pour ce prix c'est vraiment une affaire !
J**R
Erstaunlich guter Klang....
....für so kleine Teile ! Wie üblich bei Amazon, ging die Lieferung wieder sehr schnell. Zu den Earbuds: Alles kam sauber (und nicht übertrieben) verpackt bei mir an. Die "Tozo-" eigene Verpackung ähnelt sehr stark denen von Handys und ist somit lange Zeit einsetzbar, da Stabil und Praktisch. Darin kann man z.B. die zusätzlichen 5 Paar austauschbaren Gummistöpsel aufbewahren, die in der Amazon-Anzeige garnicht erwähnt sind, und auch das USB-C-Ladekabel für die Ladebox. Die Ladebox, in der die Earbuds aufgeladen werden, hat zwei "Ladeschalen" mit einer Art Magnethalter für jedes "Ohrhörerteil", sodass sichere Kontaktgabe gewährleistet ist. Die Ohrhörer passen jeweils in ihre eigene Ladeschale und laden nur dann, wenn sie richtig eingelegt werden. Dann springt kurz die Akku-%-Anzeige der Ladeschale an, danach beginnen die Earbuds zu laden, was sie durch eine rote LED signalisieren. Wenn die Ladeschale einen Akkustand von ca. 30% erreicht, muss sie selbst an einem PC-USB-Port, oder mittels Handyladegerät (Achtung nicht mehr als 5 V !) wieder aufgeladen werden. Die Bedienung der Earbuds erfolgt per Sensortasten (1 pro Earbud) und ist sehr Einfach. So kann man die Teile zur Steuerung des Musikablaufes; Vor- Rückspulen, oder der Annahme oder des Abweisens von Telefonaten verwenden. Das Koppeln mit einem Smartphone erledigt man am Smartphone selbst und erhält an den Earbuds eine akustische Bestätigung, ebenso eine Warnung, wenn man sich aus der Reichweite des Bluetoth-Signals bewegt. Zum Freisprechen sehr gut geeignet, aber noch besser für Musik sind die Earbuds, da sie einen, für mein Empfinden, sehr guten Klang mit einer vernünftigen, nicht überzogenen Basswiedergabe haben. Ich bin Zufrieden und werde dieses Set weiterempfehlen !
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