Featuring the latest Bluetooth technology and with built-in microphone, these wireless headphones have a playback time of up to 30 hours and an operating distance of 10 meters. They are comfortable and adjustable and offer excellent sound quality with a restricted limit of 85 dB, which is the maximum recommended level for children aged 3 to 7 years. They can also be used with the cable connected if necessary.
Speakers: 40 mm drivers
Frequency response: 20 Hz - 20 KHz
Impedance: 32 ohms
Sensitivity: 85 dB ± 3 dB
Bluetooth version: V5.0 + EDR
Battery: 500 mAH lithium battery
Working time: 30 hours
Operating distance: 10 meters.