Ergonomic Professional Design: adjustable headband fit any head size. Adjust the headband until comfortable, gently pull the headband to slide it smoothly in or out of the support piece. Offer 2 years warranty against manufacturer defect and workmanship.
Work with the specific phone models listed, if you find your phone model not here and unsure compatibility, please click to the seller iAmoy on the product page for one to one service.