Buy Calltel T400 Mono Ear Noise-Cancelling Headset – USB online at Rs. 5490. 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: Acoustic limiting for protection
Replaceable soft leatherette ear pad
Microphone: Permanently polarized condenser microphone
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
Impedance: 300Ω ± 10Ω
Output sound pressure: 105dB ± 5dB
Work Frequency: 30~ 17k Hz
Max Input Power: 20mw
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