Amplifier Soft Earplugs Ear Health Care
$24.55
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Item Type: Ear Care Brand Name: Brand New Material: Electronic components Size: PC Model Number: K-83 Max sound output: 110+/- 5dB Sound gain: >= 30dB Total harmonic wave distortion: <= 10% Frequency range: 300~4000MHz Input Noise: <=40dB Current: <=4mA Voltage: dc 1.5V is_customized: Yes
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