Wireless Earbuds, Bluetooth 5.0 Headphones TWS Stereo Wireless Earphones Sweatproof Bluetooth Earbuds 90H Playtime in-Ear Headset Earphones with 2000mAh Charging Case Built-in Mic Deep Bass for Sports

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  • 【 TWS Technology& Noice Reducation Wireless Earbuds】Bluetooth 5.0 and lossless HD rendering technology that produce incredible sound quality with deep bass and ensure your great experience with fast, stable and efficient transmission. High Quality Bluetooth Chip which will proivde wonderful noice reduction, you will be immersed in your Music World. Wear these earbuds to enjoy music when you are doing workout, cleanning where you cannot always have your phone handy. ( Keep the range within 33ft)
  • 【One Step Pairing & Build-in Mic Bluetooth Headphones】D2 wireless Bluetooth earbuds are one-step pairing and it will automatically connect to its memorized phone when power on next time. Two Earbuds will turn on and interconnect automatically when taking out of the charging case; turn off and charge automatically when put back into the charging case. With the built-in mic, you can answer your phone with one click on the ear bud.
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Product Description

Wireless Earbuds, Bluetooth 5.0 Headphones TWS Stereo Wireless Earphones Sweatproof Bluetooth Earbuds 90H Playtime in-Ear Headset Earphones with 2000mAh Charging Case Built-in Mic Deep Bass for Sports : Product Description



So how are Bluetooth and Wi-Fi different?

The first is the familiar Wi-Fi, which is good at connecting multiple devices simultaneously. It has been created as a hub that connects to the Internet. The communication speed is breakneck, and it is good at mass data communication. However, because of its considerable power consumption, it is used for stationary devices such as routers that can supply power from outlets.

Bluetooth, on the other hand, is a technology designed for one-to-one communication. Both communication speed and communication distance are weaker than Wi-Fi, but they consume less power and can be used for long-term devices such as keyboards and mice. Since these devices have a small amount of data to be communicated at one time, data delay is unlikely to occur.

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.