Steren PLATINUM LINE AUD-2550 Manual De Instrucciones página 15

NOISE CANCELLING
1
Slide the switch to the left or up (depending on the orientation), to activate
the noise cancelling function.
2
To deactivate it, slide to the right or down (depending on the orientation).
This function works even when you are not having a call or playing music.
SPECIFICATIONS
Frequency response: 20 – 16 000 Hz
Cancelled frequencies (system activated): 70 – 1 000 Hz (22 +/- 1 dB to 300 Hz)
Impedance: 32 Ω
Sensitivity: 100 dB +/- 3 dB
Input: 5 V - - - 1 A (x USB)
Internal battery: 3.7 V - - - 300 mAh
Specifications may change without prior notice
The LED indicator will light, while
noise cancelling is active.
6