【Prioritizing Comfort】- JoySpark kids bluetooth headphones put comfort first with their memory foam ear cushions, providing a gentle and breathable fit for your little ones. The fully adjustable headband with soft padding ensures a strain-free experience, keeping kids comfortable all day long. | 【Immersive Surround Sound & Volume Limit】- Kids deserve exceptional sound quality too. The JoySpark kids bluetooth headphones feature a built-in 40mm speaker unit that delivers rich bass and lifelike audio. With a volume limit of 85/94dB, you can rest easy knowing your child's ears are protected with JoySpark kids headphones. The combination keys prevent accidental volume changes, allowing kids to enjoy their content at a favorable volume. | 【Bluetooth 5.3 & Built-In Microphone】- Experience the seamless connectivity of Bluetooth 5.3 with JoySpark kids Bluetooth headphones. With just one button, kids can effortlessly control play, pause, answer calls, or end them. The built-in microphone provides hands-free convenience, whether it's for studying, homework, class, or playtime. | 【Hours of Uninterrupted Listening】- Enjoy extended listening sessions with up to 60 hours of music, study, movies, and calls on a single charge. The JoySpark kids headphones also feature a 3.5mm backup jack, ensuring uninterrupted enjoyment with JoySpark headphones for kids. | 【Incredible Customer Service】- At JoySpark, we stand behind the quality of our kids bluetooth headphones. Your satisfaction is our priority, and if you encounter any issues, simply reach out to us via email, and we'll resolve them within 24 hours.