Please pay attention
Before using, Â please pairing double earbuds with each other, otherwise one of the earbuds will has no sound.
How to pairing double earbuds with each other?
1. Long press (3 seconds) the multi-function button of both earbuds at the same time to turn on it.
2. Quick double press EITHER of the earbud's button, then wait 3 to 5 seconds. The two earbuds will pair with each other automatically. After successful paired, one earbud flashes in red and blue alternately, the other earbuds flashes blue light every 10 seconds.