V7 motorcycle helmet bluetooth intercom can be 7 people connected 1 cut 6 switch intercom

Sound Channel : Stereo Binaural or not : Bilateral stereo Color : Black Support customization : Support Mold Type : Private Mold Chip Type : Qualcomm Endurance : 260 Color : Length(cm) Width(cm) : Height(cm) Volume(cm³) : Weight(g) Black : 15.50 10 : 6 930 : 210