OPPO wired earphones for smartphones-Copy
OPPO ওয়্যারড ইয়ারফোন ফর স্মার্টফোন-কপি
Frequency Range: from 20 to 20000 Hz
Sensitivity (SPL): 105 ± 3dB
Impedance: 32 Ohm ± 15%Rated
Input Power: 3 mW3.5 mm Jack.
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