Lexibook HP010AV Avengers Foldable Stereo Children's Headphone - Volume Limiter

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: 20 - 20,000 Hz Impedance (acoustic resistance): 32 ohm Power output: 9mW x 2 Sensitivity: 85 dB. Volume control to protect your ears! Compatible with all audio and video players with headphones jack output.