A safe and portable designed for children aged 4-12, 85 decibels for hearing protection, a compact head beam design that fits the child's petite head and is comfortable to wear. The 30mm drive pronunciation unit allows children to understand more clearly, as well as a variety of stylish colors. Features: 1. PP environmentally friendly headphone beam: Fit the child's petite head shape. 2. Flexible and lightweight design: Give your child great comfort and durability. 3. Headphone earmuffs are light and soft high protein sponge: Good comfort, good sealing, no leakage. 4. 30mm drive pronunciation unit: Provides soft bass and a purer and more balanced sound. 5. Safety headphones designed for 4-12 year olds: Built-in automatic volume limiter to protect your child's hearing. 6. ≤85 dB sound pressure level (SPL) 7. Clear, high-quality stereo tuning to prevent fatigue. Specification: Condition: 100% Brand New Material: ABS Color: Pink, Yellow, Blue, Orange, Black Red (Optional) Size: Approx. 1.2 m (Wire Length) 6 * 6 * 3 cm / 2.3 * 2.3 * 1.1 inch (Single Earplug) 17 * 14 * 6 cm / 6.6 * 5.5 * 2.3 inch (Overall Tile Length, Width and Height) Speaker: 30mm Sensitivity: 85 + or - 3dB Impedance: 32Ω Frequency Response: 20-20000Hz Distortion Rate: 0.05 (%) Suitable for the crowd: children 4-12 years old Weight: Approx. 167 g Package List: 1 * Headphone 1 * Audio Cable Note: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard..