The transmitting range is about 10 meters (33 feet).
If one of the earbuds or the charging case is lost, please contact us so we can provide solution for you.
Please refer to this Gif: Insert the earbud into the ear canalTwist the earbud so that the fin and the bottom of the earbud are covered by the tragus … read more
At this moment only one side of the earbud will have sound when making or receiving phone call. We are working on a solution.