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Selected Store
Stock 3 pieces
2 years warranty
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Bluetooth Handsfree
Prices are calculated for:Luxembourg, Other Payment Options
The Crystal Audio BIE-02 headphones are aimed at users who desire wireless freedom and good sound quality in in-ear type headphones. These headphones feature Bluetooth technology, allowing wireless connection with compatible devices such as smartphones, tablets, laptops, and other devices that support this technology.
The Crystal Audio BIE-02 also provide good sound quality, with clear sound and good bass performance. They are ideal for listening to music, watching podcasts, mobile phone calls, and other daily audio needs. Additionally, the Crystal Audio BIE-02 have an ergonomic in-ear design, offering comfort and a secure fit in the ears.
Wirelessly connect your Bluetooth®-enabled device and enjoy your music without a cable
Bluetooth® technology supports lossless audio streaming with a long range.
The 10 mm drivers produce balanced, clear sound for all types of music.
By pressing the control button, you can accept or reject calls and control the pause, play, forward, and rewind functions when listening to music, while the microphone located on the headphone cable allows others to hear you clearly while you are on the move.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
Not even 10 days lasted... they started not turning off when pressing the off button... and in two days, there was no sound, even though I am the type who takes care of my things and many Bluetooth devices have passed through my hands, to such a degree of mess, it's the first time something like this has happened to me..
Good evening. As a owner of these specific Bluetooth headphones, unfortunately, I was not satisfied.
1. As I uploaded in the photo, to hear my interlocutor unfortunately in an upright position I can only listen since the sound output is from a small hole almost in the center of the headphone as shown. In an upright position, the headphone does not stay because it slips due to the weight of the cable, it looks ugly, and generally, it is not convenient. When I bought them, I thought they were on the side, like a very well-known company, since it has the same design. So for music, which I mainly wanted while riding my motorcycle, THERE IS NO WAY, LET ALONE TO TALK. Wearing the helmet and normally putting it on, it slips and falls off. Doing exercise also there is no way. It's a shame because it seemed like a nice design, the battery is almost very good. I will not choose it again anyway. In the end, you get what you pay for!
I have had them for 4+ years, they don't break and the battery lasts a lifetime. If you want to enjoy high-quality music sound, of course, these headphones are not for you, the sound is quite treble-heavy and lacks bass. However, for conversations or workouts, these headphones at this price are a one-way street. Very good microphone and durability, value for money, I recommend them.
I use it on the machine, everything is fine but in the conversation, you don't understand the beginning and the end of the conversation, and when the phone rings, it has its own sound (ring tone) that you need to train yourself to understand
I sold the jbl wave100tws and bought these for 10€, and the first impressions are positive. They are much more comfortable in the ear and practical, the sound quality is average but stronger than the jbl. Generally, I will not spend more than 10-15€ on headphones again. If I want quality, I prefer to invest in over-ear headphones!
They broke from the first day... the button that activates them doesn't even work. It's not worth the money... what a shame.
I have had them for a week, I give them 5 stars because finally, after many useless headphone purchases, cheap and expensive ones, I found headphones that do the job. They can hear me and I can hear them crystal clear, with 15 euros I think I spent, you won't find better.
update
In the end, it makes random disconnections during calls.
I bought them specifically so I can answer calls when my hands are busy. So I wanted something affordable. I wouldn't spend over 50€ for sure.
I can hear well and my caller can hear me well too.
They connect easily to my phone.
The battery is satisfactory, it lasts 3-4 days. I don't think the battery will last if you want to watch many hours of videos.
For me, it's a very good purchase.
In less than 3 months, they broke. The battery doesn't last more than 5 minutes, and one earphone doesn't work. A cable broke from the first week that I bought them, and I had to manually move it with my hand to hear again. At first, the battery lasted for hours, but now it doesn't even last 5 minutes. It's not worth keeping.
The speakers hear me clearly but in the background. If it wasn't for this issue, the headphones would be value for money.
Well, let's not forget that we are talking about very cheap headphones... Nevertheless, they are reliable... The battery lasts quite long, they fit well in the ear, they have good bass in music, and I haven't encountered any issues with calls... Also, they are easy to connect, so overall they are great for getting your work done
1. They look and are fake.
2. Everyone tells me that they don't hear me well.
You get what you pay for once again
Terrible sound, a waste of money. The sound is noisy, like speaking through an old telephone line, and the person I'm talking to can barely hear me. I bought them because I read good reviews, but even the cables feel fake, like €3 headphones. I bought them for cycling, but even the fit in the ear is mediocre.
THE WORST HEADPHONES I HAVE EVER PUT IN MY EAR! It has terrible sound and when I was doing online lessons one day, the sound kept freezing and I couldn't hear anything because of these headphones. The only positives it has are the charger, the battery, and the Bluetooth connectivity. NEVER get them because afterwards you will regret wasting your money, or better yet, get headphones from another company
I will say something that surprises me and I don't understand how it is related... When I activate the Bluetooth, it interferes with my signal. I listen to radio, YouTube with headphones while my WiFi is excellent, but it lags and takes me 3 hours to watch a 1-hour video. As soon as I turn off the Bluetooth, the video plays normally without lagging. Honestly, I am frustrated because I like to listen to speeches at night and I can't do it without headphones due to a baby
When we make a review, we should consider the price it plays in the market (and not if we bought them for 30+€ from a store), what they offer us, and generally what is available in this category.
Many times I don't even remember if I'm wearing them or not, and it's the first time that a headset doesn't bother me at all!
The battery is extremely satisfactory (I listen to podcasts and make calls for about 2 hours a day, and the battery goes down to about 80%!
PS: I should mention that I use them on a bicycle/scooter and at 40-45 km/h I don't feel like they are going to "fall out" of my ear.
For their price (13-14€), they are the best you can buy. They cannot be compared to expensive branded ones (e.g. Apple) because I simply cannot give a kidney for 2 headphones that I will break in 3 months.
I had bought them during the coronavirus lockdown, in a package with the pink ones as a gift... the black ones never worked.
In April, I contacted the store where I bought them online and sent an email through the company's website on Facebook, but I didn't get any response regarding their replacement (the stores were closed).
Even though it was delayed, I decided to exchange them in a physical store instead. The exchange was done after a check by the manufacturer's company... it was immediate from the technical department of the purchasing store.
The headphones connected instantly to my device... the headphones made a scratching noise on the right side when I pressed the volume up button.
Of course, we won't bother anymore as long as they last... very cheap construction.
When I speak on the phone, I can hear and be heard perfectly. However, because the microphone on my mobile phone is broken, it does not connect to the applications and my videos have no sound... unacceptable at least
Perhaps the worst sound that has ever existed in a headphone.
Poor build quality and inconvenient design
The device didn't last even 1 month!!! In the first 3 weeks of use, it started disconnecting and the next day it didn't turn on again!!!
While it was functioning, it wasn't user-friendly and didn't stay well on the neck.
I bought it from Kotsobolos, who asked me to have its box in order to accept it back and check it...
The most expensive version of them from the same company with the whole cable wide and helpful for the ear is worth it. This version is of poor quality and fragile construction, resulting in the user not being satisfied
It doesn't perform better at these prices... Flawless in everything and the winged earbuds deserve an award...
I didn't even know the company (I used to play with the basic models of Samsung & Plantronics), luckily I took the risk and it was worth it 100%...
Eight hours every day on the phone every 5 minutes, crystal clear sound, comfortable, they stay around the neck when you have them on hold without any special tricks...
Well done
In terms of quality and price, it is very good so far after one week of use. It lacks in bass, but otherwise, there is nothing to envy for the 16.90 euros it cost, including shipping. With a little music per day (1 hour) and several calls, the battery lasts about 10 hours. If you have a device with Android 8.0 and above, it shows you the battery level of the Bluetooth on your device.
Overall, it is a really good purchase for the money.
It is the 3rd product I have used from this company and it has left me completely satisfied. The other 2 are the classic wired headphones and the power bank. Since I mainly use the wired headphones for radio listening and their sound is excellent (due to a particular sensitivity in my ears, it is difficult for the sound not to cause me problems), the Crystal Audio headphones did not bother me at all. Balanced sound, crystal clear and lightweight. So I also chose the same company for Bluetooth. The full charge took almost 2 hours. The quality is top-notch in terms of sound clarity. They connect easily to the mobile phone, which recognizes them as a reliable device. In fact, the characteristics of the headphones appear on the mobile screen, as well as the remaining battery level. The connection is lightning-fast, and with the buttons on the cable, you can literally do everything - Answer, Reject, End calls, adjust the volume, switch songs. It has an LED that guides you through the functions (connection, disconnection, charging), depending on the color. Overall, an excellent product.
Excellent for their price for as long as they work.
The first pair disconnected every time I pressed pause after three weeks. It was replaced.
The second pair has a problem with calls after 1.5 months. I can't be heard at all (faulty microphone).
Luckily, I bought them from a physical store. If they replace them again with store credit, I will choose something else.
Incredible. The battery is amazing. Overall, perfect in everything, the only negative is that they can be a bit tiring when worn for more than 1-2 hours. But overall, best value for money
A value-for-money Bluetooth headset with satisfactory battery life, impeccable sound quality, and a fairly lightweight. It performs very well both in phone calls and music listening without any disconnection or noise issues (Samsung Galaxy). I bought it for about €14 and it's not worth more (due to the battery that definitely doesn't last 10 hours as promised by the manufacturer).
Best value for money with a very long battery life and very good sound quality for its price! I use it all day and at the gym and it has been incredibly convenient for me!
At the price I bought it (15 euros from a toy store), it is quite satisfactory. The battery easily lasts for three days with talk and music for about two hours daily, but definitely not 10 hours as it says on the box. It is a good lightweight Bluetooth earpiece that you don't even realize you're wearing, and this is good because it also has independent volume control, as many songs are loud so you can lower the volume from the earpiece while on the phone it is normal. Overall, it is commendable and I highly recommend it, but only for 15 euros. I think it is expensive for what it offers if it costs more.
+++The sound is satisfactory. I don't have any specific requirements, of course. However, the supported protocol is SBC, so don't expect miracles in sound quality. Nevertheless, it is acceptable.
It connects easily, and I haven't experienced any disconnections. The Galaxy S7 that I have, with the native smart things application, shows the battery level. With 4 hours of music and intermittent half an hour of talking, the battery runs out. It generally stays in the ear securely, although the weight is towards one side.
Also, everyone I have spoken to can hear me without any issues, and I can hear without any problems.
The volume is quite loud, enough to isolate surrounding noises.
---The biggest issue is the range it covers. Even at 4 meters without obstacles, there is signal loss.
Another significant negative aspect for me is that they have independent volume from the mobile phone. This means that if you have the phone volume at the middle and you turn the earphones to full volume, you have volume at the middle, so you have to increase the volume from the phone.
Overall, I didn't have time to get something better. For the 21€ that I bought them from a reputable store, I would have gotten something much better.
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