[Generous Warranty]: At INFURTURE, we always put our customers first. You are entitled to 24-hour customer-friendly support. If you have any questions, please feel free to contact us. [DURABLE AND TANGLE-FREE]: The headphone construction is durable and sturdy plastic. The rope is braided in nylon, very durable and tangle free Designed for kids, kids, girls, boys, kids and schools. [Lightweight and Foldable Design]: Lightweight design suitable for children aged 3 and above. It's light. Foldable design, more compact storage, easy to carry, you can easily put it in suitcases and bags. [Stereo 94dB Safe Volume Control]: Our kids earphones make excellent stereo sound, perfect for playing games and listening to music. And the volume can be limited to 94dB, under the condition of clear sound, it can protect children's ears from daily noise. [Built-in Microphone and Excellent Compatibility]: INFURTURE Wired Headphones come with an in-line microphone, ideal for online classes and voice calls. These over-ear headphones are compatible with 3.5mm audio devices such as Chromebooks, Kindle Fire tablets, Switch, iPads, laptops, phones, PCs and more.