rockpapa on ear stereo headphones earphones for adults kids childs teens, adjustable, heavy deep bass for mp3/4 dvd smartphones laptop tablet in car/airplane black/green rockpapa <strong>specifications</strong> <br/>impedance: 32ohm <br/>sensitivity: 102&plusmn3db <br/>frequency response: 20-20000hz <br/>cable: 1.5m <br/>connectors : 3.5mm <br/><br/> <strong>package include</strong>: <br/>1pc headphones <br/><br/> <strong>it suitable for children age 10+</strong> <br/>rockpapa headphones are built to be attractive enough for adult and children <br/>it has rich sound quality for a lot of audio devices - mobiles, pc, pads, dvds, mp3s, game players, radio and more.