These kids' headphones are designed to listen to music, watch movies and play games. The children's headphones are limited to 90 dB, and have been tested and passed as suitable for children aged 3 - 7 years. The headphones can be uséd with all your favorite devices using a 3.5mm universal socket (i.e. use with iPads, iPod, tablets, handheld games, learning devices, portable DVD players, 2Ds XL and Nintendo Switch). The headphones also have an adjustable padded headband with soft ear pads for comfort.Speakers: 30mm DriversFrequency Response: 20Hz - 20KHzImpedance: 32 ohmSensitivity: 85dB ± 5dBPower Capability: 50 mWRated Power: 5 mWConnector: 3.5mm plugCable length: 0.9mSound limited to 85dB for children aged 3-7 yearsAdjustable headbandWired headphones, compatible with all devices using a 3.5mm jackContains: Pokémon Pokéball Kid's Wired HeadphonesAge: 3 Years+Batteries: Not required