Safe Volume Limiter: Limit the volume of kids headphones to 93dB, ensuring that children can enjoy their entertainment without risking hearing damage, striking a balance between entertainment and health. • Rugged Durability: Having been rigorously tested to withstand 8000 twists, KH02 wireless headphone enhances durability against spills and accidents for up to 2 years. • Ergonomic Design: Experience ultimate comfort with plush and breathable earpads designed for extended wear. • Built-in HD Mic: Provides clear and high-quality sound for hands-free calls during online courses. • Music on the Go: Guarantees enough listening time with up to 45 hours of music, study, movies and calls on a single charge. • Ultimate Travel Companion: Foldable & portable craft makes it easy to take.