Eastlion Star Folding Headset Gaming Headphone Music Headphone HD Headphones for Kids Boys Blue Compatible with computer,phone,ipad etc Ergonomic Lightweight Design For Secure & Comfortable Fit 40mm Driver Unit, Frequency Response 20-20Khz, 3.5mm Stereo Bring you vivid sound field, sound clarity, sound shock feeling High energy drivers deliver powerful bass & clear treble