Specification: Colour: white Charging time: 4-6hours Working time: 20 hours Material:ABS+silicone Voltage: D C 3.7V Model: Z-19 Peak OSPL 90: ≤117dB+3dB HAF OSPL 90:110dB±4dB HAF/FOG gain: 29dB±4dB Frequency range: 300-3500Hz Total harmonic distortion@500Hz:≤7% Total harmonic distortion@800Hz:≤7% Total harmonic distortion@1600Hz:≤7% Equivalent input noise level: ≤25dB+3dB Rated power supply current consumption: ≤2mA Package Included: 2x Rechargeable hearing aids 1x Charging case Pairs of earplugs Brushes Screwdrivers USB charging cable.
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