3-in-1 Functionality Design – Bluetooth, auxiliary connection and detachable learning micPerfectly sized for ages 6-9Parent Approved 85dB volume limiting sound - protects the littlest of earsDetachable Learning Mic – At home school zoom calls handled with a breezeBattery life - Up to 4 hours (unlimited with 3.5mm aux-in)Compact & Foldable Design – to take the music wherever you needSoft Ear Cushions & Adjustable Headband – provide feathery light fit for hours of comfortability