Batman headphones! Ideally for aspiring batmen and batwomen, these officially licensed children´s headphones are ultimate cool-kid gear. Enjoy your music, apps, movies and home-schooling by connecting to your tablet or phone. Official DC Comics / Batman Merchandise.These children's headphones are designed for listening to music, watching movies and playing games, these headphones have been restricted to 85 dB and have been tested/passed as suitable for children aged between 3 - 7 years. These headphones can be used with all your favourite devices using a 3.5mm universal jack connector. (i.e. use with iPads, ipods, Tablet, handheld games, learning devices, portable DVD players, 2Ds XL and Nintendo switch). Features adjustable padded headband with soft touch ear pads for comfort. Specifications:- Speakers: 30mm Drivers- Frequency Response: 20Hz - 20KHz- Impedance: 32 ohm- Sensitivity: 85dB ± 5dB- Power Capability: 50 mW- Rated Power: 5 mW- Connector: 3.5mm plug- Cable length: 0.9mProduct Information:- Headphone Dimensions: Weight - 88 g / 15.5 x 15.5 x 3 cms- Packaging Dimensions: Weight - 206 g / 17 x 18.5 x 6.5 cms- Carton Dimensions: 54.5 x 35.5 x 42.5 cms / 7.20 KGCarton Quantity:- Inner Carton: 15 units- Full Carton: 30 units