Interchangeable ear cup--For an instant fit in the ear canal and comfortable all-day wear. Nano coating shell--The special material could resist sweat, dust, make the device more durable. Much thanks for your trust and support, if there is any question, feel free talk to us directly, we will. Be pleasure to assist you to solve the.
You must provide to me either a signed statement from a physician or a signed waiver before I will deliver this item to you.