Can't use the microphone VIE Support December 29, 2016 05:55 Updated Follow Please check if the microphone is compatible with the standard smartphone jack(3.5mm input, 4 rings) Please check if the mode switch on the right hand side set as "BT". Related articles No sound comes out. What wireless format is the On Air Mode using? There is the cutting noise when you are using On Air Mode. How long does it require to charge the battery? Please refer to "Quick Setup Guide" Comments 0 comments Please sign in to leave a comment.