VCOM Kids Headphones, Adjustable Wired Over Ear Audio Headset Earphones Volume Limited Hearing Protection Robot Design for Toddler Boys Girls Nursery Kindergarten School - Dark Blue Plastic Plastic Plastic Plastic Plastic Volume Limiting control Compatible with all Standard 3.5mm Audio Jack Systems Adjustable Headband Comfortable Ear Cushions Robot Design Perfect Gift Driver Unit:30mm Impedance:32 Sensitivity: 85-92dB max Frequency Response: 20Hz-20000Hz Max Input Power:30mW Cable: 1.5m/ 4.92 feet Plug Type: 3.5mm Headband: Adjustable to fitgrowing kids and teens Volume is limited to a kid safe level that will well protect your child&#039;s hearing safe. Designed as a portable, high-quality, child-friendly headphones you can rest assured that your child&#039;s hearing is well protected with our child-friendly sound control. The headphones are made of child-friendly material which protect children skin and smell. The lightweight design with soft and comfortable ear pads is ideal for children of all ages. Travel-sized design is ideal for use on vacations, long car journey and outdoors. The decorative parts are easy to remove and install. You can read from the product picture or package manual.