With the standard 3.5mm headphone jack, Gorsun kids headphone works with all smartphones, tablets, Cellphones, DVD player, Tablets and more. The marked spot on the headband makes it easy for child to recognize the L or R earmuff. Professional toning technique ensures high quality stereo effect. Terrific present for children who enjoy music, playing games or watching TV and films. Perfect size and fit for children - These headphones are lightweight and feature soft, comfortable earpads. Recommended for children ages 3-15. Designed with food-grade material and tangle-free cords, twistable, bendable, stretchable to withstand children's tears. 1.2M cord length with 3.5mm gold plug provide your kids more room to play. Designed with adjustable headband, snug pads and cushioned earpads without any sharp corners to give your kids comfortable wearing without harm to kid's ears. Lightweight so it is easy to carry.