These headphones are required for Kinder-5th grade students.
Only 1 headset is needed per student.
This headset will stay at school until the end of the school year.
You do not need to buy this if you ordered school supplies online or your student still has the set from last year.
Impedance 32 Ohm ± 15% each side
Frequency Response 20-20,000 Hz
Sound Pressure Level 95 db ± 3 db
Power Capacity 20 mW
Distortion < 5% Right/Left Output Difference 3 dB Rating Input 20 mW General Volume Control NA Cord Straight, 6 feet Plug 3.5mm stereo plug Ear Pads Foam Headband Polypropylene Headphone Cup ABS plastic for durability