How to connect i12 TWS wireless headphones to your phone

Apple has set a high bar for other wireless headphone companies. There are many devices similar to AirPods on the audio accessories market, but so far there hasn’t been a complete copy until the release of the i12 TWS model. Chinese manufacturers often develop copies of original American products, this time positioning the i12 as a complete clone of AirPods.

How to distinguish original i12 TWS headphones from fake ones.

The original i12 TWS earbuds have Auto power-On Auto Pairing 5.0 written on the box, which means the earbuds work on Bluetooth 5.0

Non-original headphones work on Bluetooth 3.0

In addition, the body of the original headphones (case) has a special hole with an indicator, which the fake headphones do not have.

There is, of course, a difference in sound quality as well. Original headphones have a higher quality, wider sound range.

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Reviews

Users were pleased with the almost complete similarity of TWS i12 with AirPods from Apple.

Touch control is also at a high level; some users note a delay in the operation of the sensor, but this happens infrequently and not for everyone.

Automatically turns on and off TWS headphones, users no longer need to configure the headphones, press buttons, after removal from the box, the connection is instantaneous.

The sound quality is at a high level: lovers of jazz and live concerts are pleased with the depth of the sound, and fans of heavy music are satisfied with the lows and decent bass.

Higher frequencies such as violin or high-pitched TWS voices may be a bit weak, but this is not so critical.

On Aliexpress

Calling a voice assistant has been an item that is increasingly being included in the development of new models of audio accessories, searching for music online hands-free and managing one's own files makes life easier for the buyer.

The i12 has high-quality voice transmission during conversations, even when in noisy rooms.

Thanks to noise reduction and stereo sound, the user can feel comfortable during negotiations and conferences.

Using one earphone as a headset saves battery power, which is good for long conversations.

How to connect i12 TWS headphones to your phone

— after being removed from the case, the headphones will turn on automatically. The red indicator on the right earphone should go out, which will mean the headphones have been successfully connected to each other. The blue indicator on the left earphone should blink, which will mean it is ready for Bluetooth connection

— if the headphones are turned off and are not in the case, then to turn them on, touch both headphones at the same time. You will hear a “Power On” sound followed by a “Your Device Is Connected” sound.

- on your phone, find “i12 TWS XXX” in the list of Bluetooth connections and press to connect

— then you will hear a sound notification “Your Device Is Connected”.

Note.

If your phone asks for a password to connect your headphones, enter “0000.” Subsequent connections will be made automatically.

Functionality

Support for TWS voice assistants.

I12 interfaces with smartphones, calls the voice assistant Siri on the Apple or Google Now platform, Alice on Android. Connection occurs by holding the touch button.

The voice assistant will help you find the desired video on YouTube, find the required file on your phone, answer a call, call the caller back and manage music tracks.

Using one earphone.

TWS allows you to use one earbud as a headset. And also listen to music or communicate in a conference call.

On Aliexpress

Touch control.

You can control music tracks, turn TWS on and off, answer calls and drop calls using touch buttons located on the outside of the ear pads.

Built-in TWS stereo system.

Provides better sound quality for complex compositions, live concerts, and vocals.

Music playback control (i12 TWS)

Play/Pause: Click on any earphone to play or pause music.

Decrease the volume - two clicks on the left earphone.

Increase volume - double click on the right earbud.

Switching the track - three clicks on the earphone.

The following figure shows how many clicks you need to make on the i12 TWS headphones to take advantage of certain functions.

Separate (monaural) pairing of one earphone with a smartphone

The procedure for connecting one Chinese model i12 TWS earphone to a mobile phone is as follows:

1. Remove one of the earbuds from the charging box, the earbud will flash red and blue;
2. Turn on your phone and activate Bluetooth on it;
3. Search for nearby Bluetooth devices and find our earphone;
4. Tap on it, after which the devices will be connected;
5. The message “Connected” will then appear.

Charging Bluetooth headphones i12 TWS

To charge the i12 TWS earphone case, connect the USB cable to it and then connect the cable to a power source (power supply, Power Bank, PC, laptop, etc.).

Once power is connected, the case indicator will flash red. A change in the color or pattern of the indicator indicates that the battery is fully charged.

To charge the headphones, insert them into the case. The headphone LED indicator will turn red.

The indicator will change color to blue when the i12 TWS Bluetooth headphones are fully charged.

Equipment

The I12 comes in a cardboard box with the Bluetooth version and TWS model name listed on the front.

If there are no these designations on the packaging, then this is not an original TWS. The main functions of the gadget are indicated at the end of the box.

The characteristics and available colors are indicated on the back wall. The box contains the headphones themselves, a charging case, micro USB, a USB charging cable and instructions.

It has a glossy finish in white; in other colors the case is made of matte plastic with a soft-touch coating.

Before purchasing, please make sure that this model is original TWS.

Ergonomics, level of fixation in the auricle

You can connect Bluetooth headphones to your mobile phone quickly and without unnecessary steps. You can use either 1 earphone (right or left) or an entire pair, unlike previous versions.

The device fits firmly and comfortably in the ears without falling out during intense movement, including sports.

Tracks are paused with one touch of the earphone. This is convenient because you don’t have to look for your phone, but it’s also difficult because you have to get used to such controls. Pause can be pressed when the user is simply adjusting the gadget.

The sensor can respond to touch when you take out the headphones - the track will turn on, a new song will play, the voice assistant will be activated, etc.

Battery

One of the characteristics of the i12 TWS is the presence of an internal battery of 30 mAh and a battery inside the case of 300 mAh.

I tested how the headphones perform in different conditions, and this is what happened:

• you can watch videos at maximum volume for 1.2 hours;
• listen to music at an average level (approximately 60%) – 2 hours;
• play tracks with maximum sound – 1 hour.

The battery won't let you down on a short trip or to the gym, but if you're going on a long trip or watching a TV series, be prepared to place the device in the charging case every 90 minutes.

What color do wireless headphones light up when charged?

To do this, the device should be connected to a USB cable, the second end of which should be connected to the appropriate connector of a PC, laptop, car charger or PowerBank with a USB port. How to understand that wireless headphones are already charged? ... During charging, the LEDs glow in one color, for example, red.

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Sound quality

When purchasing copies, users often complain about the lack of balance of frequencies, high and low. But the i12 has no such drawback. The creators of the model strived for perfect balance and minimization of interference for high-quality sound.

Of course, the device does not provide ideal audibility, like Apple Airpods, but for a replica used by average buyers, the sound level is high.

Sources

• https://it-doc.info/naushniki-i12-tws-instrukciya-na-russkom/
• https://demr.ru/i12-tws-instruction.html
• https://RusAdmin.biz/soveti/kak-podklyuchit-besprovodnye-naushniki-i12-tws-k-telefonu/
• https://myearphones.ru/obzory/ifans-i12-tws

Headphone bugs and problems

A serious minus is the operation of the i12 headset. The conversation through the microphone is difficult to hear, there is noise, an echo, it seems that the interlocutor is very far away.

The case where the device is stored is made of inexpensive plastic, unlike the Apple original. The opening lid is weakly held by the magnet and has a slight play.

There is also no charging indicator in the case, and in my opinion this is a serious drawback. It's not clear when the headphones should be charged or how long they will last.

Express method

Typically, connecting the headset to the smartphone occurs automatically and takes a few seconds. Just turn on Bluetooth, press the button on the headphones and wait for pairing to complete.

If you have done everything according to the instructions, but the phone still does not see the Bluetooth headphones, try rebooting. Turn your headphones off and on again. Do the same with your phone. This often helps solve the problem immediately.

The smartphone may be too far from the wireless headphones. Although modern technologies make it possible to transmit a signal via Bluetooth over tens of meters, it is better to place the devices nearby for pairing.

We reboot the smartphone and headphones, put them on the table and try to connect. If we couldn’t do this again, we’ll look into the reasons.

How long does the i12 hold a charge?

Holds charge

about 4 hours of listening to music.
If you just keep
the earphone in your ear in case someone calls,
the charge
will last for 6-7 hours. The case in which the headphones are stored charges them in 5-6 cycles, which is enough for a couple of days of use.

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Specifications

The gadget in question has received up-to-date technical content, the level of which is demonstrated by the table of characteristics:

Interesting. The Chinese manufacturer has released a version of the i12 TWS headset with the Pro prefix in the name. The main difference from the base model is that the device is equipped with a case with wireless charging.

Possible reasons

The reasons why pairing fails are usually:

• Bluetooth is not turned on;
• the headphones are discharged;
• other devices cause interference;
• headphones and phone are incompatible;
• headphones are connected to another device;
• hardware or software failure.

Bluetooth is not activated in the smartphone or headphones

Check if Bluetooth is turned on on your headphones. Depending on the model and manufacturer, it may have an additional Bluetooth button. If these are TWS headphones, you need to turn on each one separately. Although there are models that are activated immediately as soon as you remove them from the case. The activation button may also be located on the case, and you need to press it before you take out the headphones.

After this, we check the Bluetooth connection on the smartphone.

Slide down the bar at the top of the screen. There you will see a Bluetooth icon. It should be highlighted. If not, click on it.

On an iPhone, swipe up from the bottom edge.

If the Bluetooth headphones still do not connect to the phone, try connecting manually. Open settings on your phone. Find the "Connected devices" item.

Click on it and in the next window select “Add device”.

Wait until the smartphone detects all available devices and click on the one you need. Headphones from some manufacturers require you to enter a password. It is usually indicated in the instructions. If it is not there, then these numbers are 0000, 1111 or 1234. If the password does not work, look for information on the manufacturer’s website or contact the seller.

Wait for pairing to complete and check if the sound is working.

On an iPhone, check whether Bluetooth is turned off programmatically in the gadget settings. Then it may not appear at all.

Headphones are not turned on or are discharged

Maybe you just didn't turn on the headset. The indicators on the headphones should be lit. Press the power button again. Perhaps for your model you need to hold it for a few seconds. Read the instructions carefully, everything should be described there step by step.

It happens that Bluetooth headphones do not connect due to low battery. This can also be indicated by the indicator - flashing or glowing red. In this case, pairing mode is not activated. If the headphones were working normally, and then suddenly stopped connecting, you can try charging them. Place the device on charge for 2-3 hours, and then try connecting it to the phone again.

Interference from other devices

The problem with wireless devices is the limited bandwidth of communication channels and sensitivity to interference. Perhaps your phone does not find a Bluetooth headset because you have too many devices in your apartment operating on the same frequency. Wired devices can also cause interference due to the fact that they also create an electromagnetic field that affects the transmission of radio signals.

Try turning off all Bluetooth devices within range of your smartphone. Or move to another room where there are no electronics. If pairing is successful, the headphones should work normally in the future.

Device incompatibility

Manufacturers try to make their devices universal, but this is not always successful. Usually, new version equipment can make friends with old hardware. But outdated devices do not always work correctly with their more advanced colleagues. This is one of the reasons why wireless headphones won't connect to your phone.

There are several versions of the Bluetooth hardware module. Some are outdated and no longer in production, but are still found on devices manufactured several years ago. If you have a smartphone with Bluetooth version 5, and headphones one of the previous ones, there should be no problems. But if your headset is version 5.0, it will not connect to a phone with Bluetooth 2.0. Read the documentation. Your devices may simply not be compatible. Nothing can be done here. Option one is to use another, newer smartphone.

The headset is connected to another smartphone

This problem occurs if you have already connected the headphones to another device. Your smartphone doesn't see the headset because it's already paired and working with another phone or computer. Try turning off the headphones and turning them on again. This may fix the problem. But work in this case will still be unstable due to the fact that the headset will try to connect with one or another device.

To solve this once and for all, unpair the headphones on another smartphone. Open the list of connected Bluetooth devices, find the headphones and click “Cancel pairing”.

Now pair on the smartphone you want to connect the headset to.

Headphones are faulty or malfunctioning

If the diagnostics showed that the problem is on the headset side, the wireless headphones are probably faulty. That is, a software failure occurred. When turning it off and on again does not help, you should reset the headphones to factory settings. There is a special button for this. Or you need to press a combination of buttons. The keys can be located on the headset or on the case if it is TWS. The reset procedure should be in the instructions.

If, after resetting the parameters, the phone does not find the headphones, this indicates a breakdown. For example, the headset antenna could fail. In this case, if the headphones are under warranty, contact the store for a replacement. When the warranty period has already expired, take the device to a service center for diagnosis and repair.