Sound Intone HD30 Stereo Lightweight Folding Headsets with Stretchable Headband for iPhone, All Android Smartphones, PC, Laptop, Mp3/mp4, Tablet Headphone (Blue) Comfort is the top priority - smooth and soft leather pad that greatly contribute to the HD30 comfortable kids headphones. Sound better enhanced!Thanks to the 40 mm magnetic driver units embedded inside the headphones for kids, which imparts brilliant clarity to the sound and strong low bass. Ergonomic design adjustable - flexible headband, can be stretched and rotated up to 90 degree for convenience,fits teenagers and adults . Folding design and lightweight, more convenient for travel and on the move. Compatible with all 3.5mm jack devices ,let your kids enjoy what they like happily.