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Specification | ||
Color | Black/White | |
Frequency Range | 400-4000Hz | |
Max OSPL90 | <=113dB ± 3dB | |
Average OSPL90 | <=109dB ± 4dB | |
Total Harmonic Wave Distortion | <=7% | |
Reference Test Gain | 23dB ±5dB | |
EQ Input Noise | 29dB ±3dB | |
Hearing Loss | Slight, Moderate | |
Certifications | CE,ROHS,ISO13485(Medical CE),Free Sale(CFS) | |
Custom LOGO Package | ONLY NEED 20PCS , We can provide custom service | |












1.Standard packing, neutral packing, your packing are welcome
2.7-10 days after receiving the 30% deposit
3. DOOR TO DOOR, BY AIR, BY SEA , Alibaba Shipping etc.
4.Credit Card, Paypal, Local Bank, Western Union etc.
5.We can offer product pictures to our customers, welcome to contact us
New products from manufacturers at wholesale prices