蓝牙协议 HFP,HSP,A2DP,A2DP_CT,A2DP_TG,AVRCP,OPP,PBAP,SPP,FTP,TP,DTMF,DUN,SDP 蓝牙协议 HFP,HSP,A2DP,A2DP_CT,A2DP_TG,AVRCP,OPP,PBAP,SPP,FTP,TP,DTMF,DUN,SDP