Description says 1 case of 4 boxes totaling 400 pair. GLAD I BROUGHT A Different CASE. Connects fairly well to phones and laptops. Just know what youre getting into - you wont be able to watch just one episode and youll think why am I doing this as you click "next" as soon as the credits begin rolling. She was so nice and the only thing she asked me to do is send her the Amazon order number. Its a bit expensive if you want to give it to guests unless youre super rich. Io le ho usate per le mie sessioni di workout, il mo compagno per andare a correre. Perfect for the space! I personally love the green and blue led light. (BTW: After trying so many products/systems for my phone to be used in many situations, I must say that I am most pleased with Rokform.