Wireless Earbuds, GEVO Bluetooth 5.0 Lightweight in-Ear Neckband Headphones, Fast Charging【16H Playtime+Connect 2 Devices at a time】 CVC8.0 Noise Cancelling IPX6 Waterproof Magnetic Earphone with Mic

  • 【Fast Charge&IPX6 Waterproof】300mAH double high performance polymer battery design ensures continuously music whole day with up to 16hours of playtime.10 minutes charge can play 3 hours. No longer need to fear a sudden shutdown. The wireless earbuds are waterproof for protection, you can still wear the headphones with no worries either when you are in the rain or sweating.
  • 【Newest Bluetooth 5.0& Pair Two Different Devices At Once】Up to 33ft distance you will have strong connection with our headphones with the high-end Qualcomm QCC 3003 chipset and Bluetooth 5.0 connection allows you to quickly and easily connect them with any phone, tablet or laptop and enjoy high-quality clear audio anytime and anywhere. This Bluetooth earbuds offers simultaneous pairing two different devices enables you to switch easily from movie on computer to message on the phone with ease.
  • 【High Quality Stereo Sound&CVC8.0 Noise Cancelling】: Adopted Bluetooth 5.0 technology, with SBC Bluetooth profiles to tune AAC, significant noise isolation and 10mm dynamic drivers, ensure stable transmission and don’t interruption, delivers HD stereo sound experience. Comparing with previousCVC6.0, CVC8.0 noise cancelling technology to offers crystal clear sound and effectively blocks out the noise in loud environments better to guarantee clearer voice for calls.
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Product Description

Wireless Earbuds, GEVO Bluetooth 5.0 Lightweight in-Ear Neckband Headphones, Fast Charging【16H Playtime+Connect 2 Devices at a time】 CVC8.0 Noise Cancelling IPX6 Waterproof Magnetic Earphone with Mic : 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 Mac (macOS) PC

  • step 1 Apple menu select [System Preferences] from the [ ] menu on the computer
  • Step 2 Select [Bluetooth]
  • Step 3 Set the headphones to the device registration mode (pairing mode).

Check that the main unit lamp blinks blue and red alternately, or that blue blinks twice consecutively.

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 the [Connect] button to the right of [〇〇 (headphone model name)] displayed in the [Device] field.

* 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 Confirm that “Connected” is displayed under the headphone model name.

This completes the pairing process with the headphones.