True Wireless Earbuds User Manual
No matter what’s on your thoughts, the BOYA BY-AP4 is your new pair of TWS earbuds that shines out with a thorough upgrade. It responds to superior design, ample power, a comfortable wearing experience, or improved musical quality.
Please choose one pair of earplugs with extra secure and appropriate size. Insert the headphones into your ear canals as shown above, and rotate them to a suitable, comfortable place.
AUTO POWER ON/OFF
Auto Power ON
Open the case, and the earbuds turn on automatically
Auto Power OFF
POWER ON/OFF Manually
Reconnect the device
The earbuds will automatically reconnect to recently connected device, after turn back on.
AUTO ON/Bluetooth Pairing
Out from charging case until blue light flash per 0.5s, than search-AP4″ for connection for single-ear mode, take either left/right earbud.
This mode is for the pairing failed condition of earplugs only.
The earbuds cannot turn on automatically?
Check if the charging case has power.
Check if the earbuds are low powered
Check if the earbuds can be turned on manually
Bluetooth signal is not stable?
Check if there’s electromagnetic interference surrounded
Check if the earbuds are too far from the device
Restart the phone, to prevent the problem of mobile phone signal instability.
Turn off the wifi and try again
How to tell if the earbuds are fully charged?
The earbuds charging time is about 1 hour.
When fully charged, the earbud’s blue light will steady for 7s, and then turn off
The earbuds cannot be charged?
Make sure the earbuds charging contacts are clean
Whether the earbuds are placed in the charging case
Whether the charging case has sufficient power.
How to adjust the earbud’s volume?
Long press the left earbud for 1.5s to increase volume long press the left earbud for 1,5s to decrease volume
When you adjust the volume, most Android phones won’t display the change, you need to feel the volume change yourself(There are 15 grades volume in total)
How to connect earbuds with the device?
Turn on the earbuds and wait until blue indicator lights flash every 0.5s, which means the earbuds are pending for connection
Turn on the Bluetooth function from your device and connect Bluetooth named “BY-AP1”
No sound from the earbuds?
Check if the earbuds are connected to the mobile phone and whether the media audio is selected.
Check if the earbuds volume is adjusted to the mute state
Check if there’s electromagnetic interference surrounding or if the earbuds are too far from the device.
After 10 seconds, the earbud’s indicator becomes red, and it turns off when the device is turned off. Fully Powered When electricity is cut off to the charging case, the white indicator on the charging case turns off. You will receive a voice message if the earphones’ battery is low.
Put the earbud tips in your ear canal and twist the headphones into position to wear them. To do this, gently pull up on the top of your ears. Making ensuring the headphones are positioned correctly and firmly in the ear canal is made simple by doing this.
When the case is opened, the BOYA AUTO ON/Bluetooth earbuds switch on and immediately link with one another. Following a successful pairing, the primary earbud prompts “Du,” and the secondary earbud prompts “DuDu.” 2 To enter pairing mode, open Bluetooth on your device, search for “BY-AP4”, and then pick it.
Depending on the audio settings on your headset, it might only play in one ear. So make sure the mono option is off in your audio properties by checking your audio properties. Make sure the voice levels on both earbuds are balanced as well.
Close the charging case’s cover after putting the earbuds inside. The battery LED within the charging case is red, yellow, or green when the lid is open to show the earbuds’ current battery state. The earphones need about two hours to fully recharge.
Clean your earbuds or headphones frequently. Ideally, you should use a mildly moist towel to clean the tips of your earbuds or headphone earpads at least once every week. Ensure that your gadget is turned off and the headphones are unplugged. Dry them completely right away with a gentle cloth.
While simultaneously removing both earbuds from the charging case, wait a short while for them to switch on and establish a connection. If they don’t instantly pair with one another, put them back in the charging case and remove them again at the same time.
Take out the earphones from the case, then turn them off by pressing the buttons for a short period of time. Hold down the buttons on both earbuds starting with them in the OFF position for approximately 10 seconds. Three times each, Red and White LEDs will blink. Your earbuds will reset as a result.
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