Features:
1. LIGHTWEIGHT HEADPHONES: The basic headphones are made of lightweight, durable, impact-resistant plastic. And the wire of the headphone measures about 6 feet in length.
2. EARPADS: The headphones feature a widescreen headband and foam padded earmuffs, which are comfortable to wear and can increase listening comfort.
3. Built-in microphone: the microphone with shirt clip can be placed in the ideal position to avoid the howling symptom caused by disconnecting microphone and speaker. And the headphones have the adjustable flexible boom.
4. Widely used: the headphones are durable and lightweight, perfect for schools, classrooms and businesses.
5. WIDE COMPATIBILITY - The headphones have a polyester foil ball drive. And they are compatible with all sound cards and portable music devices. And the headphones have the 3.5mm (mini jack).
Specifications:
Sensor: 30 mm polyester foil dome, ferrite magnet
Impedance: 25 ohms on each side, +/- 15%
Frequency response: 20-20KHz
Sensitivity: 110 dB ± 3 dB at 1 kHz
Earmuffs isolation: 7dB±2dB@1kHz
Distortion: 5%.
Volume control: none.
Double plug: 3.5 mm.
Impedance: 25 ohms on each side
Frequency range: 20 Hz - 20 kHz.
Sensitivity: 98dB±3dB@1kHz
Headband: adjustable.
Earmuffs: noise reduction, ABS plastic, durable.
Ear pads: PVC leather
Colour: black and blue.
Contents:
1 x headphones.