Bluetooth 5.1 Technology Adopt the latest bluetooth 5.1 chip and technology delivers a more stable and faster wireless connection to your device. Never worry about any cut off during listening and controlling. Making music playback and conversations smoother and clearer than ever. HiFi Stereo Sound Lossless 3D stereo HD rendering technology produces incredible sound quality and creates an immersive music world for you. Each earbud has an individual mic installed, making phone-call more like face-to-face. Conversations flow freely, with ease, and are highly intelligible–even in noisy environments. IPX7 Waterproof and SweatproofWireless earphones features with a high-level of waterproof protection by using the nano-coating material. Prevent sweat or rain during high intensive training or daily use so as to ensure waterproof headphone's lifespan. Perfect for running, jogging, hiking, yoga, exercises, gym, fitness, traveling and etc. Wide compatibilityOur earphones Bluetooth work with most Bluetooth-enabled devices such as Android or iOS smartphones, PC, Tablet TV. Design for Sports, Workout, Running,Gym Exercise, Audiobooks, Watching TV and so on. Light, Comfy and Secure FitWith ergonomic ear hooks, flexible rubber, i21 offers stable fit and comfortable wearing. Equipped with 3 pairs of ear caps (L/M/S) for your choice to get the most suitable fitting. Even if you do strenuous exercise, do not worry about the earbud will fall off. 40 Hours Playtime These Bluetooth earphones can last 10 hours of playtime on single charge and provides extra 40 hours playtime with charging case. And unique intelligent digital display for easy check of battery capacity.
T**
Stoppped working after 30 days
I bought these earpods on 7/13/22 and received them on 7/20/22. They stopped working and charging for no reason in September. I finally found a way to contact the vendor via email last month with no response. These earbuds are no longer available to reorder and now I know why.
I**Y
Wind noise troublesome, great battery, good overall
I use these for running mostly. The small amount of breeze generated by my modest speeds translated into highly annoying wind noise in the earbuds. On closer inspection, there is a tiny hole that likely provides release for air pressure behind the "speaker" driver membrane. I covered these ports with tiny pieces of breathable paper tape,and this problem went away. I don't know if my guess of the purpose for the port is, but it sucks to hear more wind than music.Battery life is excellent, and the battery life on the case is as well. The loop that goes over your ears is very useful to me, as I don't want to drop the earbuds while running.As with any Bluetooth audio device, the audio is okay. BT doesn't have the bandwidth required to do music justice, but is passable.
P**N
VERY sensitive power buttons
Good headphones, however the power buttons are EXTRA sensitive. Instead of clicking the earbud, you barely touch it and it pauses a show you're listening to or hangs up a call. I had to call someone back THREE times because it kept hanging up and I was trying not to touch it while adjusting the position on my ear.
L**S
Not impervious to dog teeth
I absolutely love these. So much so that I’m buying them again, since my dogs ate the first ones.
N**T
Worked great for about 9 months
Really like these ear buds. Long battery life, they stay in place during workouts, and cancel noise well. Unfortunately, the right ear bud quit working all the sudden. No damage, no mishandling. It just quit. Only had for 10 months.
J**S
Not what I expected!!
I am very disappointed with this product. When I speak to people they can hear my background noises amplified. Also it is really hard to change the silicone in ear peice. I can only use them at home. So disappointed!!
A**6
Ok Quality
Bought these earbuds back in December, about 2 months ago, I noticed that the volume was much lower in right ear. My hearing??? tried other earbuds, was not my hearing. tried trouble shooting and nothing worked. Amazon did issue me a refund, which I will use for another pair of earbuds. Liked how comfortable the earpiece was, sound quality was good also. I used them to work out and needed something with the ear hook. Good buds, but disappointed that the one bud quit working.
D**E
Great choice sound and function and then some for the money
Noise cancellation is great. Can hear the earbuds and nothing else. Pairing and charging work very well--quickly and reliably. Earbuds left/right lay into the charger's magnetic grooves nicely, with USB-C charging--same as phone. Great stereo effect and a bit less bass than I would like but that just might need some adjustment on my part.
M**S
Right bud stopped working - less than 2 months
These were truly perfect for sports and stayed in place. I especially loved how suitable the smallest foam was for my small ear canals. Unfortunately, after about 6 weeks of use, the right bud volume got progressively lower than the left until it stopped working entirely. I have no idea what could have caused damage to it as I haven't worn them much in the rain, but I'm disappointed.
J**R
Relación calidad precio invatible
Casi todos los cascos que he comprado se me caen de la oreja y opté por este modelo ya que traen la sujeción extra a la oreja y fue todo un acierto.La relación calidad precio es genial. Muy buen sonido para su precio y el control con los botones táctiles es genial.En cuanto al tiempo de reproducción, duran muchísimo. No sabría decir el tiempo exacto, pero utilizándolos de manera intermitente, en una semana no he tenido que cargar la base. Ayuda mucho el indicador de la carga que trae en la base.Otro detalle que me llamó la atención es que la base es una power bank, pero ojo, vale para un apuro, no es una gran capacidad.En cuanto a la sincronizacion es instantánea. Buscar dispositivo Bluetooth y adelante.Por último, decir que tiene instrucciones en Español.
H**D
Quality Bluetooth 5.1 sports earphones with great call clarity and battery-life.
These Q52 Bluetooth sports earbuds came in a charging case with a rechargeable 1800 mAh battery. The current battery's state is shown inside the charging case as, what I presume as, 25% gradients. The case arrived pre-charged, so it was simply a matter of removing a couple of plastic stickers from the earphone charging contacts before placing them back into the case to charge for 10 minutes before paring them to my phone. Once paired to your device, you can pop them back into the charging case and that'll charge the ear buds.Bluetooth pairing processPairing the earbuds was a doddle: open the box, pull them out, they'll pair to each other as a stereo set, and then you can pair them with your device using Bluetooth. It's a once-only process so that they remain paired to themselves and your device. Monaural/Binaural pairing is also an option, but I don't really like to share ear buds, really, umm no! Bluetooth 5.1 is brilliantly stable, with a strong signal through brick walls for when you need to dash off from a room but maintain contact with your device.Comfort and fitOut of the box these were an excellent fit with the already attached ear cushions, but there is scope for comfort/fit experimentation with the 3 sets of cushions that are included - small, medium and large - sealing the ear canal from extraneous sound. The design of the ear bud and the soft silicone cushion work in harmony to give a delightfully comfortable experience, which makes sense given the long battery life between charge cycles. Once inserted into the ear canal, I gave them the head tilt and shake test, and they remained sealed and in place; No longer will I have to prod and poke my ear buds back into place every 5 minutes which would irritatingly activate a built-in touch function that I don't need just yet. These ear buds also have over-ear hooks for added security and personal reassurance that they'll stay in place.CVC8 ANC, sound quality and volumeActive Noise Cancelling works brilliantly, and this is a must-have feature for busy high streets and morning commutes, easily blocking those shouty, annoying mobile phone shouty-types. Sound Volume is more than sufficient, delivering quality, thumping bass notes without interfering with the mid and high frequencies. Sound quality is very good, and the superior bass reproduction is impressive, sounding rich and full at the bottom end. Treble is sharp and the mids around voices clear, although a little laid back ....but, oh that bass! However, everyone has different hearing capabilities, so it's important to try them out, and these really need to be heard!Touch functionsThe buds have several touch functions built-in, which are summoned by tapping the side of the ear bud. These are:- - Play/pause - Invoke Siri - Shutdown - Volume up/down - Call answer/Hang up/call rejectThe functions are responsive and intuitive, which I like.Battery life is great and so far they've lasted several hours without needing a charge but I have been returning them to the case once I've finished using them.AccessoriesThe supplied USB cable plugs into the covered charging port on the front of the case, and is easy to access. The cover prevents fluff and other bits of matter entering the port.A carry strap which attaches to the charging case is included with the buds. The charging case lid is held down by two strong magnets. I doubt that I'll use the carry strap, as I tend to throw this type of tech into my pocket or bag rather than hold it by hand.ProsDesignCharging case with rechargeable batteryLED battery status displayEasy one-off pairing with the buds and deviceBluetooth 5.1CVC 8 ANCVery comfortable to wearAwesome bass responseCall clarityTouch controlsCompact charging case with smooth, rounded cornersSecure over-ear hooksSelection of ear cushionsFront USB charging portTouch controls for several functionsConsNothing at this price!
Y**A
Right one broke after 6 weeks
They worked great, but after about 6 weeks I noticed the sound in the right earphone was incredibly poor. It barely functions. I haven't exposed them to water or used them during excessive excersise. Other than that they had good battery life and the overall quality would of been 4.5 stars, but dosn't matter how good it is if it breaks that quickly. Other people also have this problem so it's a common defect.
D**I
Sonido brutal y no se caen
La verdad es que son brutales.. la diadema hace que no se caigan de la oreja y dan una sensación de seguridad brutal. Hago deporte y corro con ellos sin el miedo de perderlos. Tienen botón táctil y permite responder y colgar las llamadas. Como peros, decir que pensaba que el USB para cargarlos era USB de tipo C y no el convencional, pero no es un drama. Compensa que la bateria dura mucho, no tienes que estar cargando cada tres días... tiene un indicador de bateria y puedes ver como va bajando. Cuando lo poner a cargar, el indicador va parpadeando y cuando se completa, se queda fijo. He dado en el clavo....
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