RM-BH1 User Manual Brandname: Roadmaster Category: Headphone Total Pages: 24 Table of contents Index31NoticeBeforeUsing43ProductIntroduction54ChargingTheHeadset65PowerOnOff77WearingTheHeadset98AnsweringTheCalls109RefusingCalls1112Redialing1217AdjustingTheVolume1519Specification1620ExcludingProblems1722QA19