There are a few reasons why your Bluetooth headset is blinking red and blue. As mentioned previously, this is usually due to pairing mode.

Bluetooth 5.0 & Built-in Microphone】 Wireless Headphones Over Ear Built in two 40mm large bezel driver units and Bluetooth 5.0 technology, our bluetooth headphones with microphone can offer more stable transmission speed, lower latency and better audio output,which give you wonderful music enjoyment. And built-in microphone of our lightweight headphones enables a hands-free clear phone communication, which like talking face to face with your families and friends. If you have an iPhone, some headphones equipped with Apple's W1 chip, like AirPods or BeatsX, are even easier to pair. You don't even have to go to the Bluetooth menu—an on-screen notification appears when the earphones are close to your phone and they pair almost instantly. Bluetooth usually works within a range of 10 meters or less. Make sure the devices you want to pair are within close range of each other. The closer the better. 3. Read the manual that comes with your headphones.Sometimes, your device will prefer other devices that have been connected before, especially if you use that connection frequently. If this is the case, turn that other device off or unpair it from your device. 5. Move away from a Wi-Fi router. On your headphones, press the pairing button. Look at the manual to find where the pairing button is.

Bluetooth and Wi-Fi both use invisible waves to connect devices. These waves are in the same frequency and can mix with one another, causing interference. Be careful when cleaning the interior of the charging port, as the electrical connectors inside are delicate and can be broken if too much force is applied. If this happens, there are many ways to fix the red and blue flashing lights. Why Do Bluetooth Headphones Have a Pairing Mode? Regardless of whether they’re red, blue, orange, or red, you should be able to know exactly what your headphones are trying to communicate and how to solve this. The headphones haven’t been charged in a while. Batteries that have been left uncharged for a long time can stop working due to over-discharging. This happens when the copper in the headphones’ lithium-ion batteries dissolves, leading to short circuiting. Unfortunately, over-discharged batteries need replacement, as they can rarely be charged again.

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If the problem only exists when connecting to a specific device, ensure you are connected properly. Resetting your Bose headphones doesn’t delete them from your paired devices. You also get to keep your other Bluetooth settings. Most Bluetooth headphones that use legacy pairing have a fixed PIN code, such as 0000 or 1234. You can find the PIN code in the headset’s manual. Secure Simple Pairing

If the reset didn’t do anything, there are many other things you can try to solve your Bluetooth problems. Let your smartphone or laptop discover your headphones. On the Bluetooth settings screen, you should see the name of your headphones listed. An orange light may mean the battery is at a medium level and you need to charge the headphones in a few hours. It may also mean that the headphones are currently charging. Your headphones’ batteries can become over-discharged if they haven’t been used for a while. This means they will need to be plugged in for longer before the battery can begin to charge again. 6. Make sure they’re properly seated on the charging stand or case One way to find out if your headphones are disconnected from each other is if the sound comes through only one channel.Bluetooth devices can have and store many connections. When you want to use one connection in a list of multiple connections, you simply have to choose that connection.