Fangrui Product Details 1. Kid101 Portable Cute Children Learning Wired Headphone 2. Features: 3. The Built-in Volume Is Limited To 85db, Which Protects The Childs Hearing From Too Much Noise, And The Appropriate Volume Stimulates The Childs Interest In Learning And Music. 4. Lightweight, Compact Wired Childrens Headphones Take Up The Least Space And Are Easy To Store In Schoolbags, Suitcases, Or Backpacks. Keep Clean And Orderly At Home, Or Enjoy Light Convenience On Road Trips, Buses, Airplanes, And Self-driving Trips. 5. Retractable Headband, Suitable For All 3-to 16-year-old Children With Different Head Sizes. 6. Use Soft Ear Cushions To Provide Quality And Comfort When Listening For A Long Time. 7. Standard And Durable 3.5mm Audio Jack, 3.5mm Audio Interface Compatible With Smartphones, Tablets, Laptops, Pc, And More. 8. Specification: 9. Item: Wired Headset 10. Model: Kid101 11. Sensitivity: 85db+-3 12. Impedance: 32 Ohm 13. Frequency Response: 20hz-20khz 14. Color: Black Red Wolf, Pink Elephant, Blue Airship, Dark Blue Plane, Blue Robot. 15. Horn Diameter: 30mm 16. Wire Length: 1.2m 17. Package Size: 18*15*8cm 18. Package Weight: 140g 19. Package List: 20. Wired Headset X 1