VEVOR Motorcycle Helmet, 3/4-Face, Smart Street ABS & High Density Helmet with Bluetooth Slot & Interchangeable Lens, DOT Approved Comfortable Motocross Helmet, Fit for Youth & Adults

it says Bluetooth communications, but it’s never mentioned anywhere else in the description. Is this Bluetooth for music? Are there speakers installed? I don’t quite understand what the Bluetooth feature is.