HED-526 (with optional lable)
Descriptions:
Kids stereo headphones
Adjustable headband and soft ear pads
Comply with international testing standards 
including EN71, ASTM, CPSIA, etc. 
Specifications:
Speakers: 30mm Dynamic speakers with Neodymium magnet.
Frequency range: 15Hz to 22000Hz
Sensitivity: <85dB 
Impedance: 32Ohms
Sound Quality:
Safe for kids(maximum 85dB)