If the power does not turn on

• Check the battery level and charge it.

If a call cannot be made with the earbuds

• If your smartphone does not support the hands-free function, you cannot use the call function.
• Check the battery level and charge it.

If you cannot register the earbuds into the smartphone

• Check that the power of the earbuds turns on.
• Check that the earbuds are switched to search mode.
• If you touch and hold the touchpad on the left or right side of the earbuds for 3 to 5 seconds with the earbuds in the charging case, it is switched to search mode.

If you have replaced the earbuds or have problems with operation (factory reset).

• Touch and hold the left or right touchpad of the earbuds for more than 10 seconds with the earbuds in the charging case.
• The battery status indicator of the charging case blinks red and the factory reset progresses. Please reconnect the earbuds after factory reset.