This FM-MP3 bluetooth stereo headset has noise reduction technology that ensures good sound quality. The sound is pleasant, fast, strong and sensitive. It\’s compatible with all android smartphones, iPhone, tablets, etc and it is equipped with adjustable strap for a good grip, without damaging the ears. Thanks to its foldable design which saves space in a backpack or bag. That\’s why they are also ideal for travel! It also comes with 3.5 mm audio jack, 3.5 mm jack cable, memory card player and FM Radio function for capturing radio stations.