True Wireless Earbuds, VANKYO X200 Bluetooth 5.0 Earbuds in-Ear TWS Stereo Headphones with Smart LED Display Charging Case IPX8 Waterproof 120H Playtime Built-in Mic with Deep Bass for Sports Work

  • ♬【BLUETOOTH 5.0 & EASY TO PAIR】: With the most advanced Bluetooth V5.0 technology you are getting 2x faster transmission speed and more stable connectivity without signal loss or music dropouts; Pick up 2 headsets from charging box, they will connect each other automatically, then only one step easily set mobile phone Bluetooth to pair the earbuds.
  • ♬【SUPERIOR STEREO SOUND QUALITY】: Experience music, movies, podcasts, calls, and more in a whole new way; Alpha X200 provides a truly authentic sound and powerful bass performance with 8mm large size speaker driver – the drive area is 1. 77 times than the normal drive area.
  • ♬【3500mAh SMART CHARGING CASE】: Adopts the premium metal case to protect your wireless earbuds and also looks very fashion; With the individual LED display on the case can help check the power of L/R earbud and charging case at any time; A portable 3500mAh charging case gives you the opportunity to recharge your earbuds when on-the-go to deliver 7hrs listening time and 5hrs talk time on single charge, total 120hrs playtime with charging case.
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Product Description

True Wireless Earbuds, VANKYO X200 Bluetooth 5.0 Earbuds in-Ear TWS Stereo Headphones with Smart LED Display Charging Case IPX8 Waterproof 120H Playtime Built-in Mic with Deep Bass for Sports Work : 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 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.