Havit HAKII MIXV Smart Bluetooth Visor Headphones Size S- Tie-dye Ar

3 level adjustability, exchangable brim
Patented Ab Tube Technology
Sweat blocking with brim, IPX5 Waterproof
Deliver sound using Directional Sound technology.
The sound will be transmitted to ears via air like other headphones did, but with patented ab Tube technology, the spreading of sound will be limited, and only the user will be able to hear the sound as loud as medium volume within 1 meter (3.28 feet) of range outdoors.
Equipped with 2 microphones, reduce phone call noises with beam-forming array technology.
Provide powerful sun protection to protect you from strong sunlight during outdoors activities.
Built to withstand splashes, sweat, and rain, perfect for outdoor