The USB Headset is the first headset designed specifically for school use with USB connectivity. Its unidirectional mic and noise-reducing earcups are ideal for high speed internet use, tutorials, language learning and situations requiring isolated vocalized feedback.
**
Headphones
**
Frequency Range: 30-20,000 Hz
Sensitivity: 97dB +/-3dB
Impedance: NA
Maximum Power Input: 80mW
Headband Type: Comfort Sling made using ABS plastic for durability Earcup Noise-reducing with ABS plastic for durability
Cord connection to earcup: Double-reinforced, channel lock strain relief system resists accidental pull out
**
Microphone
**
Frequency Range: 70-20,000 Hz
Sensitivity: -47dB +/-3dB
Impedance: 2.2KOhms +/-30% (at 1 KHz)
Maximum Power Input: 200mW
USB activated host interface: 1.0 / 1.1 / 2.0 (backwards compatible)
Type: Electret mic
Polar Pattern: Unidirectional
Adjustability: Universal joint for full flexibility
Operating volt: Typical 5 volt with USB
**
Other
**
Cord Length: 10 feet
Weight: 10 ounces, shipping weight 2 lbs.
Safety Approval: CE rated safe for school use
Warranty: For school, business, church and gov’t uses for 1 year from purchase date