Califone 2800-YL Listening First Stereo Headphones (3-Pack), Yellow, Adjustable headband comfortable for extended wear, Specifically sized for young studentsThis Listening First stereo headphone is specifically built for young students with safety as its first concern. Rugged ABS plastic earcups withstand daily use with slotted earcup baffles to prevent accidental damage from prying fingers or foreign objects. The volume control is set from the audio source (not on the headphone or cord) for student safety. It is ideal for classroom story-time, library, and computer uses. Key FeaturesPermanently attached cord with reinforced strain connection Right angle plug resists accidental pull out 5.5 straight cord with 3.5 mm plug set at right angle reduces accidental pull-out Ambient noise-reducing earcup lowers outside noise so volume does not need to be as high, as recommended by audiologists for hearing safety Rugged ABS plastic earcups resist breakage in high-use situations
Replaceable leatherette ear cushionsSpecificationsCone: 30mm
Mylar Magnet: Ferrite
Impedance: 25 Ohms each side+/-15%
Frequency Response: 20 - 20KHz
SPL: 110 db +/- 3db
R/L output difference: 3db
Rating Input: min 20mw,
max 30mw Distortion: 5%
Transducers: 40mm Mylar dome driver unit
Sensitivity: 98dB 3dB at 1kHz
Volume Control: None for student protection
Plug: Right angle 3.5 mm mini plug
Cord: 5.5 ', straight cord
Headband: Adjustable
Earcups: Noise-reducing, ABS plastic for durability
Ear Cushions: Foam-filled leatherette
Weight: 9.6 ounces, shipping weight 1 lbs