True Wireless Earbuds,Simlux Bluetooth 5.0 Headphones with 25H Playtime TWS Easy-Pair 3D Noise Canceling in-Ear Built-in Mic Earphones,Waterproof Sports Bluetooth Headset with Charging Case(Black)

  • 【Evolutionary Bluetooth 5.0 automatic pairing & one ear / both ears left and right separation type】 The latest Bluetooth 5.0 chip, connection speed is 3 seconds, connection distance is up to 10 meters, ultra-low power consumption is 7mAh. The left and right earphones can be used separately. When you have paired the two headphones, simply put one of the headphones back into the charging box, no need to switch modes, more convenient than similar headphones.
  • 【CVC 8.0 noise reduction & HIFI high sound quality, heavy bass & with SIRI function】Features with the most advanced Bluetooth 5.0 with TWS technology ensures an incredible stable and swift connection.Noise Cancellation technology reduces ambient noise and echo, offers Truly Natural, Authentic Sound and Powerful Bass Performance sound no matter in calls or in music time. In addition, Siri wakeup support. Volume adjustment is also supported.
  • 【Comfortable to Wear】Only 5.2g weight and mini size,deep into the ear canal, more stable and painless to wear. The design of the Bluetooth earbuds is ergonomic, it would fit ears perfectly and won’t fall off when you do sports like running, cycling, camping, hiking, driving, jogging and any other sports.
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Product Description

True Wireless Earbuds,Simlux Bluetooth 5.0 Headphones with 25H Playtime TWS Easy-Pair 3D Noise Canceling in-Ear Built-in Mic Earphones,Waterproof Sports Bluetooth Headset with Charging Case(Black) : 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.

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 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.