Wireless Earbuds, True Wireless Bluetooth Earbuds,3D Stereo Hi-Fi Sound Wireless Headphones Sport Earbud with IPX5 Waterproof, Voice Control(Siri or Google),Bluetooth 4.2,300mAH Charging Case

  • 【Superb Sound Quality】 — HD stereo & deep bass sound, Clear high & low volume makes you don’t want to quit listening when play music. The wireless earbuds equiped with bluetooth 4.1 chips enabled devices up to 10M away and stable connection, low latency. There’s no wire will be entangled together, you won’t be bothered by the entangled wire like other non-tws earbuds.
  • 【One Step Pairing】 — The wireless earbuds will automatically turn on and connect to your phone when removed from the charging case, but you need to manual select BS209FD-R on the bluetooth list of your phone when the first connection. Automatically turn off and charge when put back in the case. You don’t even need any skills to use earbuds.
  • 【6 Hours Playtime with Charging Case】– Each earphone has built-in 45mAh rechargeable battery, Up to 2.5 hours for music play from a single charge (adequate for home/office/sports with little noise interference). The portable designed charging case has a built-in 300mAh large capacity battery, which can support 2-3 times fully charging for the wireless earbuds. Never worry about running out of power too soon.
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Product Description

Wireless Earbuds, True Wireless Bluetooth Earbuds,3D Stereo Hi-Fi Sound Wireless Headphones Sport Earbud with IPX5 Waterproof, Voice Control(Siri or Google),Bluetooth 4.2,300mAH Charging Case : 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.

How to connect (pair) a Bluetooth earphone with a computer

For Windows

First, how to connect a PC to Bluetooth earphones is explained for Windows 10. The steps are as follows:

1. Click the “Start button” and go to “Settings”-> “Devices.”

2. Select the item “Bluetooth” on the left side of the device screen. Then the search for surrounding Bluetooth devices starts.

3. Put the Bluetooth earphone in pairing mode. Refer to the Bluetooth earphone manual for the pairing mode.

4. When an earphone is detected, the name of the headset is displayed. After a while, pairing is ready, and the button “Pairing” will appear. Click it.

5. You may be asked to enter your passcode or PIN code. In that case, follow the instructions and enter the system using the keyboard.

6. After that, when “Connected” is displayed, pairing is completed.

For macOS

1. Click “System Preferences” from the Apple menu and go to “System Preferences.”

2. From the System Preferences screen, select the item “Bluetooth.” Then it will be in the mode to search for nearby Bluetooth devices. If “Bluetooth: Off” is displayed, click “Turn on Bluetooth.”

3. Put the Bluetooth earphone in pairing mode. Refer to the Bluetooth earphone manual for the pairing mode.

4. When an earphone is detected, the name of the headset is displayed. Click the “Pair” or “Connect” button next to it.

5. You may be asked to enter your passcode or PIN code. In that case, follow the instructions and enter the system using the keyboard.

6. After that, when “Connected” is displayed, pairing is completed.