True Wireless in-Ear Headphones – Black : Product Description
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>.”
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.
* 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.
This completes the pairing process with the headphones.