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Frequency Range | 200-5000Hz |
Total Harmonic Wave Distortion | <= 3% |
Reference Test Gain | 27.0dB |
EQ Input Noise | 19.1dB |
Response Limit | F1 = 343 F2 = 4400Hz |
Battery capacity | 100Mah |
Size | 20mm x 14mm |
Hearing Loss | Moderate,Severe |
Certifications | CE,ROHS,ISO13485(Medical CE),Free Sale(CFS) |













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