Mic of the wireless Bluetooth earbud does not respond – wireless earbuds with a mic can sometimes disappoint you when you are receiving or making a call. But then you’ve got to pay delivery costs AND wait a few days for them to arrive. Na-ah, you don’t need to wait that long or spend any money, particularly if your earbuds cost an arm and a leg, to begin with. The F9 TWS is one of the best selling earbuds on AliExpress. These earbuds have been sold as many as 169,293 times ! That is of course a huge number. The charging case contains 1200 mAh of battery capacity. That's a lot compared to other earbuds at this price. So you can charge your earbuds with it very often. Furthermore, you can also charge other USB devices such as your smartphone since the charging case also functions as a power bank. Pretty neat feature considering its price. Despite its cheap and plastic feeling for its overall build, the F9 TWS overshadows those flaws with its above expectation sound quality. Sound quality score: 7/10

Other signs include pain when you wear them. If your headphones don’t fit right then they’ll cause discomfort and that’s something you shouldn’t have to put up with. Our ears come in all different shapes and sizes so make sure to try a few different pairs before you decide on a winner.One of the best ways to listen to our favorite music without disturbing people around us is by using wireless Bluetooth earbuds. If you are someone like me, you might own a great pair of wireless earbuds with excellent sound quality, amazing design, and very good noise cancelation that get you through noisy commutes easily. Imaging having the best Bluetooth earbuds that you have grown attached to and one day they suddenly stop working or start giving you a headache. To give you a good sense of its microphone performance, we made a recorded audio using the microphone of the F9 TWS. Sounds from Bluetooth earbuds are too quiet – this is the common complaint of over-ear headphone users who decided to opt for wireless earbuds. This problem can result from the way you plug the wireless Bluetooth earbuds in your ears, the brand or product type, and what you do with them. There two different versions of F9 TWS earbuds on the market. The first one comes with touch controls while the other doesn't. The one we have here is the version that comes with a physical button for device operation. Ease of operation: 5/10

Repeated use: the earbuds has been connected with the mobile phone--- open the phone Bluetooth, and take out thetwo earbuds from the charging case, without any operation, it will connect with the phone automatically. If you use a different phone, you need to follow the steps in the instructions for use. Get rid of other wireless signals – today, there has been a tremendous improvement in technology, and this has made many gadgets in your home or surrounding come with either Bluetooth or Wi-Fi. Some even come with both. No doubt, with almost everything being wireless life has been much easier. Most of the signals that come from these gadgets are designed to work together. However, they can interfere with each other, and this can result in the stuttering of the Bluetooth audio. Turn off devices that are emitting wireless signals if you are not using them. Another option is that you can turn off the devices one by one to find out the one disrupting wireless Bluetooth earbuds signal. Alternatively, you can move to a room or an area with less wireless signals. Try resetting the earbuds as said in the pairing section above. Amoi F9 Not Pairing To Each Other / Not Working at the Same Time / Not Working in Stereo Mode Step 2:When the LED light flashes red and blue, open the mobile phone Bluetooth function, search and select the “ AMOIF9 5.0” device.

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If you do not use the Bluetooth earbuds for a long time, please charge it fully and charge it once a week to extend the life of the Bluetooth earbuds. It's a platform. Any Chinese trader can sell products through Aliexpress. It completely circumvents European (and therefore Dutch legislation). So we provide a small disclaimer: buying through Aliexpress is not always without risks. And we don't want to over-dramatize it either. If you research well, you can find quite good products on Aliexpress. There aremultiple explanations as to why your Bluetooth headphones have suddenly started to malfunction. This is both good and bad. It’s good because a lot of causes usually mean there are many ways on how to fix earbuds. Unfortunately, it can be difficult knowing the exact reason for your earbuds breaking down. Out of the box, we noticed that the buttons are very uncomfortable to use. Especially if your fingers are sensitive.

We saw two different providers on Aliexpress with apparently the same F9 TWS. We immediately bought both for this review. Fit: How doe the F9 TWS fit?Volume +/-: Constinuous press right earbud 3 times to turn up the volume; continuous press left earbud 3 times to turn down the volume, or you can adjust the volume on the phone directly. Ensure that the volume of the wireless earbuds and the connected devices are increased – some people might forget to increase the volume, and a simple increase in the level of your device volume can fix the issue Turn on: Press and hold the touch multi-function button for 3 seconds or take it out from the charging case, the earbuds will be turned on automatically Charge the charging case: Plug the 5V/1A USB into the charging port to charge. During charging, the middle digit of the charging stand display indicates the charging case power. When the number is displayed as "100", the battery is fully charged.