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9. TECHNICAL PARAMETERS
MODEL NUMBER
Maximum sound output
Average sound power
Average acoustic gain
Equivalent input noise
Frequency range
Total harmonic wave distortion
Battery
Working current
Net weight
- WORKING CONDITIONS
1. Ambient temperature: -10ºC ~ 40ºC.
2. Relative humidity: ≤80%.
3. Atmospheric pressure: 86kPa ~ 106kPa.
4. Operating voltage: DC 3.7V
5. Device safety level: Type B Part applied
EARPLUS1
≤130dB+3dB
120dB ± 4dB
42dB ± 5dB
≤29dB + 3dB
F1≤300HZ, F2 ≥4500Hz
≤5%
Lithium
≤5mA
4g
Sound amplifier
EARPLUS1
23
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