Boult Audio ZCHARGE - Advanced Features; Call Reject; Last Number Redial; Play Music

Call Reject
Call Reject:- Reject by your phone or press and hold the MFB for 2s.
Last Number Redial
Quickly tap the MFB twice to redial the last dialed phone number.
Press
Press
Play Music
Play Music:- Press the MFB to play/pause music under music playing status.