Equipped with 40 mm dynamic diaphragms, the On-Earz Lounge headset offers excellent sound quality. With a sensitivity of 115 dB, this wired headset is also very trendy, and boast a flashy, hip design. Offering premium comfort thanks to its adjustable headband and soft earpads, the Lounge headset is designed for listening to music on the go!Compatible with iPod and iPhone.Audio headsets:Frequency : 20 Hz - 20 KHzDiaphragm : 40 mmRange : 50 cm (built-in cable), 1 m (detachable extension cable)