Wireless Earbuds, Cshidworld Bluetooth 5.0 Earbuds Headphones, True Wireless Stereo Earphones with 30Hrs Playback, Hi-Fi Sound Bluetooth Headset with Charging Case One-Step Pairing Noise

  • 【UPGRADED HIGH FIDELITY MUSIC QUALITY】Advanced Bluetooth with A2DP/AVRCP audio processing system let you enjoy High-Fidelity sound, faster pairing speed and stable connectivity, up to 33ft Bluetooth range. Eliminate stethoscope effect of all wired headphones and noise reducing. With built-in Mic, great for hands-free calling, listening to music, news, friends chatting, or working use.
  • 【QUICK CHARGE WITH UNIQUE CHARGING BOX】Portable charging case is ultra-lightweight with large capacity Lithium batteries, which can support 6 times fully charging for the wireless earbuds and let you enjoy more than 5 hours continuous music or talking time after each single charge. Only takes 1.5 hours to fully charged. Never worry about low battery when you are out all day. Easy to carry, NO Loss.
  • 【LATEST ONE-STEP PAIRING TECHNOLOGY】No need to press any button to activate the wireless headphones. This bluetooth earbuds can be automatically powered on and paired after taking them from the charging case. Meanwhile bluetooth headphones can also be automatically powered off and charged after putting back into the charging case. Simply one press to answer or reject phone calls, Bluetooth pairing, power on and power off, pretty easy to use.
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Product Description

Wireless Earbuds, Cshidworld Bluetooth 5.0 Earbuds Headphones, True Wireless Stereo Earphones with 30Hrs Playback, Hi-Fi Sound Bluetooth Headset with Charging Case One-Step Pairing Noise : 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.

How to set up pairing using iPhone

1. First, launch the iPhone settings screen and tap “Bluetooth.”
2. When Bluetooth is turned on, it will detect nearby devices, so tap it.
3. Tap the device, and if “Connected” is displayed, pairing is complete.

How to set up pairing using an Android smartphone

1. Launch the Settings screen and tap “Bluetooth.”
2. Turn on Bluetooth to detect nearby devices.
3. Since pairing is required, tap “OK” to complete the setting.

The setting method varies slightly depending on the terminal and OS version, but if you turn on Bluetooth, it will automatically detect nearby devices. The procedure is not complicated, so check it on your device.

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.