<strong>Specifications</strong> <br/>Headphone <br/>Driver diameter:40mm <br/>Impedance: 32ohm <br/>Sensitivity: 106&plusmn3dB <br/>Frequency Response: 20-20000HZ <br/>Cable: 1.5m <br/>Connectors : 3.5mm <br/> <br/>Microphone <br/>Mic Dimension: 4.0*1.5mm <br/>Sensitivity:-42dB&plusmn3dB <br/>Frequency response£º100-10000HZ <br/> <br/>Mic Function: <br/>1.play or pause music; <br/>2.answer or end the phone calling. <br/><br/> <strong>Package include</strong>: <br/>1pc Headphones <br/><br/> <strong>It suitable for Children age 4+</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.