Buy Calltel H650NC Mono Ear Noise Cancelling Headset – USB online at Rs. 9290. Buy complete range of Headphones with Mic on Vmart.pk, We Offer home delivery all over Pakistan.
The cable is durable, can bear 20KG pull, rotate more than 60000 times,345°
Acoustic Shock Protection*Adjustable headband
Replaceable soft leatherette earpad
Quick disconnecting (QD) connector, protecting the headset and Phone/PC
Plug ‘n’ Play
Volume & Mute control
Optimized for Microsoft Lync, skype, office 365, United Communication (Cisco & Avaya)
Microphone: Permanently polarized condenser microphone
Work Frequency :70 ~ 10k Hz
Sensitivity: -40dB ± 2dB (f = 1KHz, 0dB)(RL = 2.2K Vs = 3.0V)
Current consumption@ 2.2V (μA): < 300
Current consumption: 800μA
Impedance: 300Ω ± 10Ω
Output sound pressure: 105dB ± 5dB
Work Frequency: 20~ 20k Hz
Max Input Power: 20mw
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