If one of the earbuds or the charging case is lost, please contact us so we can provide solution for you.
You can adjust it with the adjustable volume control under the earmuff. If you have turn the volume to Max. on the de...Read More
Update: The following guide only applies to MS760 or MS900 sold before October 1st, 2019. For MS760 or MS900 sold aft...Read More
Please refer to this Gif: Insert the earbud into the ear canal Twist the earbud so that the fin and the bottom of th...Read More