X3 TO-U

Please ensure the charging case of these Edifier earbuds is correctly connected to a power source.

Please check the following points: - Check if the earbuds are operating - Check if the earbuds volume are at an appropriate level - Check if the earbuds are correctly connected with your mobile phone. - Check if the earbuds are operating within a normal working range.

Please make sure: - Whether your mobile phone is in an area with a strong signal. - The earbuds are within an effective distance (10m)without any obstacles between the earbuds and mobile phone. 

Please ensure the paired device support AVRCP (Audio Video Remote Control Profile) profile.