HolyHigh Bluetooth Headphones, Wireless Bluetooth 5.0 Sports Earphones with Stereo Sound 30H Play Time Auto On/Pairing in-Ear IPX5 Waterproof Earbuds Binaural Hi-Fi Call for iPhone Android

  • 【Ground-breaking Master-Slave Switching Technology】HolyHigh ET2 Headphones allow you to use both of them or a single earbud, with no master-slave restrictions. When you’re listening to the music with both of earbuds but you want to switch to mono mode, just put one earbud into the case while the other will continue the music. You don’t need to pair the earbud again, making you enjoy the music or movie more freely.
  • 【Ultra-Long Battery Life】Adopting advanced and more power-saving Bluetooth chip, HolyHigh ET2 provides up to 7.5H battery life despite its small size, which is longer than that offered by ordinary earphones(only 4-5H). Besides, the charging case can charge the earbuds 3 times for 30H total playtime, no worry about the sudden power outage of your earphones when on a trip. The mini-sized case is portable for use.
  • 【Stereo Sound & Stable Connection】ET2 Headphones adopt premium 7mm driver units and biological diaphragm to enhance deep, live and stereo sound effects. Powerful audio resolution gives you the 3D stereo sound, as if you are at the live concert. ET2 uses high-quality Bluetooth chip and antennas to achieve high-speed transmission, making the music/games/movies/calls be unobstructed and stable during use.
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Product Description

HolyHigh Bluetooth Headphones, Wireless Bluetooth 5.0 Sports Earphones with Stereo Sound 30H Play Time Auto On/Pairing in-Ear IPX5 Waterproof Earbuds Binaural Hi-Fi Call for iPhone Android : 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.

Causes and Solutions for Losing Mobile devices Bluetooth Connection

When the smartphone is connected to the car audio system, the sound may be interrupted.

It is necessary to check whether there is any problem with the smartphone or car audio used. Still, it can be solved by ” clearing the cache” (for Android) with the smartphone or “deleting device information” on the setting screen In some cases.

In some cases, the file cached by the device OS update may be damaged, and the Bluetooth connection may not be appropriately established.

In that case, clearing the cache will remove the offending file, recreate the correct folder, and ensure a successful Bluetooth connection between your smartphone and car audio.

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.