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 the volume for ease of use and convenience. It features an ergonomic comfortable design with an 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 acoustics. The earpiece itself features a soft leatherette ear pad which can be replaced if needed.
- 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
- Microphone: Permanently polarized condenser microphone
- Impedance: 1.0K?
- Work Frequency :120 ~ 10k Hz
- Sensitivity: -40dB � 2dB (f = 1KHz, 0dB) (RL = 2.2K Vs = 3.0V)
- Current [email protected] 2.2V (?A): < 300
- Current consumption: 800?A
- Impedance: 300? � 10?
- Output sound pressure: 105dB � 5dB
- Work Frequency: 30~ 17k Hz
- Max Input Power: 20mw
- Interface: Single 3.5mm
WHAT�S IN THE BOX:
- Calltel T400 Mono-Ear Noise-Cancelling Headset Single 3.5mm � Black x1