The Bagis is a compact version of the full Urbanears experience. Its earplug construction brings you a direct sound and efficiently reduces noise. It features rubber housing along with a combined fabric and TPE cord, eliminating distortion caused by friction. As a bonus, each earpiece snaps together, allowing you to carry them around your neck when not in use. So you"ll always know where they"re at. Compatible with any music players using 3.5 mm standard120cm / 47" tangle resistant fabric cordSnap construction that allows you to connect the Bagis around your neck when not using your headphonesCompatible with unprotected 3.5 mm standard such as iPhone, Blackberry, HTC and moreMicrophone and remoteAdjustable size S, M and L sleeves for a perfect fit Technical Specifications:9 mm handmade driversFrequency Response 20Hz-20kHzImpedance 16 ohmSensitivity 107dBMax Input Power 5mW