Lexibook disney tsum tsum stereo headphones to listen to your music without disturbing anyone very light you can take it everywhere with you at school on holidays you can adjust the size so that it fits perfectly on your head handy folding design you can store it easily in your bag frequency response 10 24 000 hz impedance acoustic resistance 150 ohm power output 100mw sensitivity 85 db volume control to protect your ears compatible with all audio and video players with hea