Headphone
Drive Unit:Ф30mm 
Impedance: 32Ω
Frequency Response:20-20000Hz
Sensitivity:85dB±3dB 
Max.Input Power:20mW
Cord length(CM):   120(+5/-0)cm
Surround Speakers:
Sub:2"4Ω2W
Driver unite:Ф28*11mm
Sensitivity:92dB±4dB

【Professional Design for Kids】Safe,flexible,strong,soft,comfortable,functional,cool,non-toxic EVA foam,light weight,kids can stretch,play,twist,school-work and share them
【Safe for Kids】It is suitable for 3 ages+,sound limited below 85db max (safe for kids),which can adjust the different sizes for different ages
【Shareport】No need for a splitter!1 side of the Connect+ plugs into the device and the other can have another headphone plug into it to share audio
【Top Sound Quality】Although these headphones are volume-limited, they don't compromise one bit on sound quality and provide clear, distinct sound for your music, audiobook program or movie/television soundtrack
【Powerful Functions+Free Gift】The Detachable Cable work with iPad,iPod,iPhone,tablets,android devices etc,work will all 3.5mm devices,at the same time,there is a MIC on the cable, which can be used by phone.The gift is a Mini recorder for kids,which can record simple song and improve sing song level etc.