• Check the case battery level by open the case. If needed, charge the case with the supplied USB cable.
• Secure both ends of the USB cable.
• If your charging case has been exposed to high or low temperatures, let the case return to room temperature and then try charging again.
• Press play on your mobile device to make sure the audio track is playing.
• Place the earbuds in the charging case to check the earbuds charging status. If needed, charge the earbuds.
• Increase the volume on the earbuds and mobile device.
• Make sure you are using the correct device.
• Move your mobile device closer to the earbuds (30 ft. Or 10 m) and away from any interference or obstructions.
• Use a different music source.
• Connect a different mobile device.
• If the earbuds are currently or had already been connected to a Bluetooth device, click "forget" or remove "KY07" from your
Bluetooth settings and turn off Bluetooth on your device.
• Put the earbuds into the charging case, plug in the charging cable to charge the earbuds, then press and hold the touch panel for 5
seconds, red and blue light alternately flashing once to clear the Bluetooth pairing record.
• Then unplay the USB cable and close the charging case,repeat daul mode steps.
• Check that both the earbuds and the connected device (i.e., smart-phone) are turned on.
• Turn up the volume of the connected device if it is too low.
• Check the audio settings of the Bluetooth device to make sure the sound comes from the earbuds during a call.
• Re-establish the connection using the Bluetooth device.
• While listening to music with the earbuds, stop playback and press the button on the right or left unit to respond to an incoming call.
• Choose the ear tips that fit the size of your ear.
• Wear the earbuds correctly.
• The Bluetooth device is out of range. Please shorten the distance between the earbuds and the Bluetooth device. And keep away
from any interference or obstacles.
• In the case of single earbud use, only the right earbud can be connected to Bluetooth, answer/end the calls, play/pause music etc;
the left ear cannot be used.
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