True Wireless Earbuds, Bluetooth Earbuds, Wireless Earphones, Acedada Bluetooth 5.0 Headphones Headset in-Ear Built-in Mic with Charging Case, Deep Bass IPX7 Waterproof TWS Stereo for Sport, Business

  • ♪♫ Adopted Graphene Speaker & CVC8. 0 Noise Canceling Technology ♪♫ — In a market with countless truly Bluetooth earbuds, it’s hard to stand out. You must have features that are unique. We adopt the latest chip, nanotechnology, graphene speaker & CVC8.0 noise canceling technology, which allows you to enjoying the perfect 3D Stereo Sound, HIFI-SOUND & DSP SURROUND SOUND, Deep Bass & Crystal Clear Treble High-Quality Sound. Give you an immersive experience, just like in the theater!
  • ♪♫ Ultra-Long Playback Time & One-Step Connection ♪♫ — The most advanced Bluetooth 5.0 have lower power consumption, besides, it make the connection be more stable and faster. The Bluetooth earbuds can be used continuously for 8 hours after being fully charged, and the connection distance is 15 meters, which are twice that of other tws wireless earbuds. After first using it can automatically connect. Very convenient !!
  • ♪♫ Ergonomic Design & IPX7 Waterproof ♪♫ — Our engineers tested the earbuds with thousands of times to create an incredibly ergonomic and comfortable design. Thanks for the ergonomic design and the soft silicone material of the earphone hook, which allows you to use the wireless earbuds for a long time without any pain and it will not fall off. IPX7 waterproof technology it is suitable for sports to prevent water. Ideal for sweating it out at the gym or singing in the rain!
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Product Description

True Wireless Earbuds, Bluetooth Earbuds, Wireless Earphones, Acedada Bluetooth 5.0 Headphones Headset in-Ear Built-in Mic with Charging Case, Deep Bass IPX7 Waterproof TWS Stereo for Sport, Business : 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.

Connect headphones directly to your Bluetooth device.

Turn on the headphones and press and hold the Power / Bluetooth button until the Bluetooth light flashes blue. You will hear a prompt saying, “Another device is ready to connect” (if voice guidance is enabled). If the headphones are turned on for the first time, the headphones are already in this state.

The power button on the headphones
Turn on Bluetooth on the connected device (smartphone, tablet, etc.)

In your device’s Bluetooth settings menu, select your headphones. If your headphones do not appear in the list, you will need to tap “Search,” “Scan,” “Pair new device,” etc. in the Bluetooth menu of the device There maybe.

When connected, you will hear an audio prompt saying, “Connected to <device name>.”

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.