Yusonic is a brand special for kids headphones line. We think kids needs---safe,comfortable, active,easy operation, fun .. for different age. We try to makebetter and better products to your kids. It would be nice and fun gift for school,travel and birthday . Yusonic kids headphones fit all age kids from pre school kids to young people and fit alldifferent size head. the speaker sound is 93 db, not too loud not too low andvery clear sound.
Specificationskids
wireless headphones : bluetooth v5.0 version
headset distance: 10 m
headphones battery: 400 mha
kids wireless headphones play time: 6 hours
headphones unicorn led light up time: 6 hours
unicorn headphones charge time: 1.5 hours
Headphones speaker: dia 40 mm nd speaker
sensivitity : 93 db
frequency: 20--20000Hz
Package include:
1 x Speaker
1 x USB line
1 x 3.5mm audio cable with mic
1 x User manual

What should we do,when Bluetooth pairing is unsuccessful?
1. Makesure that your headset is not connected to other devices. If it is connected toother devices, you need to disconnect and search again for the headsetbluetooth connection.
2. Ifoccured the headset Bluetooth still cannot be paired, please refresh theheadset bluetooth system.
the wayto refresh the headphone bluetooth :
.Turnon the bluetooth of the headset,the indicator flashes red and greenalternately.
.inserting the audio cable, and the indicator light goesout. It shows the bluetooth has been refreshed.
.Unplugthe headset cable and turn Bluetooth search back on.