IDEAL GIFT CHOICE FOR KIDS: It is designed for 3 years old and up children.Made with high quality, durable materials, these headphone are built to last and withstand the rough play of kids. | SAFE&VOLUME CONTROLLED:This kid-sized volume limiting children headphones is set to 85db.max(Default), well prevent your child's hearing being hurt and reducing the risk of permanent hearing damage. Please remenber to remind your kids to take off the headphone every 1-2 hrs to get the ears relax.The volume can be switched from 85dB to 110dB or 110dB to 85dB when you press and hold pause/play button 3 seconds | COMFORTABLE AND COLLAPSIBLE DESIGN: The adjustable headband gives the headphones some impressive flexibility so they can adapt to the shape of your head for a perfect fit. Take your headphones wherever you go, just fold them up, put it into the protection pouch bag. | HANDS-FREE CALL & BUILT-IN MIC:The built-in mic lets you pick up calls and skip between tracks without missing a beat. | OPRATION TIME AND TOP AFTER-SALES SERVICE: 400 MA,only charge 2-3h,will support 5-6 hrs opration time, standby 60hrs.30 days 100% money back guarantee, 18-month replacement warranty, 24-hour Customer-friendly Support Service.