DESCRIPTION:

The Calltel T400 Mono-Ear Noise-Cancelling Headset is a great affordable headset that is comfortable as it is affordable. It features a noise-cancelling microphone that automatically adjusts volume for ease of use and convenience. It features an ergonomic comfortable design with adjustable headband that allows you to wear it for a long time, making it perfect for all day working hours. For extra safety it features acoustic shock protection which limits the acoustics. The earpiece itself features a soft leatherette ear pad which can be replaced if needed.

FEATURES:

• Noise-cancelling microphone

• The cable is durable, can bear 20KG pull, rotate more than 60000 times, 345°

• Acoustic Shock Protection: Acoustic limiting for protection

• Adjustable headband

• Replaceable soft leatherette ear pad

SPECIFICATIONS:

• Microphone: Permanently polarized condenser microphone

• Impedance: 1.0KΩ

• Work Frequency :120 ~ 10k Hz

• Sensitivity: -40dB ± 2dB (f = 1KHz, 0dB) (RL = 2.2K Vs = 3.0V)

• Current consumption@ 2.2V (μA): < 300

• Current consumption: 800μA
  Receiver:

• Impedance: 300Ω ± 10Ω

• Output sound pressure: 105dB ± 5dB

• Work Frequency: 30~ 17k Hz

• Max Input Power: 20mw

• Interface: Dual 3.5mm

WHAT’S IN THE BOX:

• Calltel T400 Mono-Ear Noise-Cancelling Headset Dual 3.5mm – Black x1

ADDITIONAL INFORMATION: