Feature:1. Fast Signal Transmission and Foldable Design: Bluetooth 5.0 signal transfer connection is faster and more stable. Folding storage removable single horn, cat ear.2. Adjustable Size and Universal to Use: High tenacity ABS, flexible adjustment, suitable for a variety of different head types.3. Volume Limits: Hearing protection Volume limiter technology tightly controls volume standards with a built in volume limiter that does not exceed 85 decibels.4. Dual Use and Long Standby Time: Removable 3.5 interface cable, both wired and wireless. The standby time is 300 hours, the charging time is 2.5 hours.5. Fashion and Lovely Appearance and Enjooyment: Unique cat ear design, cute and interesting, loved by children. The time of endurance is 20 hours, providing wonderful listening enjoyment.Specification:Item Type: Kids HeadphonesMaterial: ABSBluetooth Scheme: 5.1Sensitivity: 108DB/mWImpedance: 32Bluetooth Range: 10m/32.8ftDrive Unit: 40mm/1.6inFrequency Response: 50HZ-20KHzBattery Life: 20 HoursOutput Power: 35mWStandby Time: 300 HoursSNR: 65DBTransmission Distance: 10m/32.8ftCharging Time: 2.5 HoursBattery Capacity: 400mAh(Inclusive)Frequency Range: 20KHz-20000KHz.Package List:1 x Kids Headphones 1 x Charging Line 1 x 3.5mm Cable1 x Description