94dB Hearing Protection: Built-in volume limit at 94dB protects kids’ hearing from too loud noise; No need to always worry about hurting your babies' ears; Excellent sound at an appropriate volume inspires your kids’ interests in study and music (Note: Mpow CHE1 doesn't have microphone) | Fold-flat Design: With unique fold-flat design and undetachable audio cable, the lightweight, compact wired kids headphones take up minimum space for easy storage in school bags, suitcases, or backpacks; Keep tidy and organized at home or enjoy portable convenience on road trips, buses, on planes, and drive rides | Selected and Durable Materials: Mpow children headsets are made of healthy food-grade materials to refuse any harm to your children; Sturdy headband and nylon-braided audio cable survive rough treating of kids to avoid the sad end of broken headphones and to prolong using time | Comfort & Adjustable: Ultra-soft padded head beam and plushy foam earmuffs with 90°swiveling design ensure maximum burden-free comfort and minimum clamping force; 2.8in/7cm retractable headband offers the perfect fit for all kids aged from 2-16 with different head sizes | Universal Compatibility: Standard and durable 3.5mm audio jack helps Mpow wired headphones for kids work perfectly with almost all smartphones, tablets, laptops, PC and more devices with 3.5mm audio port