Boltune Noise Cancelling Headphones, [2019 Upgraded] Bluetooth Headphones with Microphone/Deep Bass Wireless Headphones Over-Ear, Protein Earpads 30H Playtime for Travel Work TV PC Cellphone

  • Make sure this fits by entering your model number.
  • Upgraded Hybrid Active Noise Cancelling Technology (QCC3003+AMS3415) : Improved hybrid noise cancelling technology not only effectively reduces external noise by 96% while travelling on subway, bus, plane or at a loud office, but also reduces the headphones’ internal noise, like white noise, improve the sound you listen to; in your world, there’s nothing but music.
  • Impressive HD sound with Deep bass: upgraded Bolton active noise cancelling headphones come with 45mm large-aperture drivers for impressive HD sound quality & CAPTIVATING bass, enjoy the music in a more authentic way.

Product Description

Boltune Noise Cancelling Headphones, [2019 Upgraded] Bluetooth Headphones with Microphone/Deep Bass Wireless Headphones Over-Ear, Protein Earpads 30H Playtime for Travel Work TV PC Cellphone : Product Description



What is the communication distance of Bluetooth?

Bluetooth has the concept of “Class.” Even with the same Bluetooth product, the strength of the radio wave differs depending on the class that is certified. That is, the communicable distance also changes.

Before you buy a Bluetooth product, make sure that you have the required class before purchasing so that it does not say, “The radio wave did not reach …”. There are three types of Classes 1-3.

Types of Bluetooth communication distance and communicable distance

One thing to keep in mind when choosing a product is that Class 1 devices do not always reach the maximum communication distance of 100m. For example, earphones with a communication distance of 20 m and microphones with a range of 50 m are also classified in Class 1. In other words, if the maximum output is “more than Class2 and within 100mW”, they are all equally classified into Class1.

As described above, even if the products are of the same class, the communication distance varies. If you want to focus on range, check the maximum output for each product.

Also, the intensity of radio waves that can be output differs depending on the country or region where the device is used. The upper limit is about 50 mW under the Japanese Radio Law, but not overseas. Besides, keep in mind that the distance may fluctuate depending on the performance of the receiving antenna and power amplifier, so it cannot be measured unconditionally.

How Bluetooth headphones connect to a smartphone?

Most wireless headphones use Bluetooth to communicate with the device, and in some cases, there may be a problem with the connection between the mobile app and the headphones.
If you are using wireless headphones with your mobile device, make sure your mobile device OS and headphone app are up to date.

Earphone-type wireless headphones are more susceptible to connection issues, such as broken connections, out-of-sync, and dropped calls than other wireless headphones due to their form.
In some cases, when communication is lost, your head itself is blocking the signal, which can be challenging to resolve.

Some headphone manufacturers say that updating the firmware may improve synchronization and other issues, but not all headphones.
Nevertheless, there may be solutions on the manufacturer’s website, including firmware updates, so you should check them out.

Of course, you need to keep your firmware up to date.

Pair with Windows 8.1 / Windows 7 PC

  • Step 1 Select [Hardware and Sound] from [Control Panel] on your computer, and select [Devices and Printers].
  • Step 2 Select [Add Device] at the upper left to display the list screen of the device to be added.

* If the [Bluetooth] function is [Off], set it to [On].

  • Step 3 Set the headphones to the device registration mode (pairing mode).

Hold down the “power” button or “PAIRING” button on the headphones until the lamp on the central unit blinks (about 7 seconds).
There are the following two patterns for the lamp blinking.

The blue lamp blinks twice each time
Blue and red lights flash alternately
Refer to the instruction manual as it varies depending on the model.

  • Step 4 Select [〇〇 (headphone model name)] displayed on the [Add a Device] screen.

* If you are asked for a passkey, enter “0000 (Zero Zero Zero Zero)”.
A passkey is sometimes called a passcode, PIN code, PIN, password, etc.

  • Step 5 Check that the registered headphone model name is displayed on the [Devices and Printers] screen.

This completes the pairing process with the headphones.