... adjustable ,mute function ,more attractive10.CE,FCC,RoHS approvalProduct Specification:Bluetooth Version: v2.1+EDR Profiles: Headset, Handsfree, AVRCP Class ... 3.5mm earphone jack Included earphones with built in MIC Music playing controls- play, pause, stop, prev/next track, volume ... with Built in MIC 1 x Power Supply Adapter 1 x User Manual audio quality wireless stereo bluetooth headset neckband X6