Two way communication. The Surf Hat is a great product for Paddle boarding, Surfing, Kite and Wind surfing.
The Surf hat is the best for protecting you from the sun and it also has a chin strap. So it won’t fall off when you pull some gnarly manoeuvres.
x1 Advance Units (A02R – 2 piece set) with all mounting accessories and waterproof cases
x2: Surf Hats (B01HR)