KZ-ZTQ-D03

medical device registration certificate number:Yuehe Injection 20192090511

product implementation standards:Yuehe Injection 20192090511

medical device production license:Guangdong Food and Drug Administration Machinery Production Xu 20051096

Max. OSPL90(dB):≤ 125+3

High Frequency Average OSPL90(dB):115±4

Full-range acoustic gain (high-frequency average)(dB):40±5

Equivalent input noise level:≤ 20dB ± 3dB

total harmonic distortion:≤ 2% + 3%

frequency (not narrower than):300~3000Hz

includes accessories:host * 1, earplug * 5, cleaning brush * 1, USB cable * 1, charging head * 1, charging bin * 1, detachable battery * 3

packing size:

Host weight:

single weight: