Hearing AidCondition: NewMaterial: PlasticSpecifications:Max sound output: 130±5dBSound gain: ?50dBTotal Harmonic Wave Distortion: ?5%Frequency range: 300-4000HzInput noise: ?30dBVoltage: DC 1.5VCurrent: ?4mAWhen you see the film, watch the play, have meeting, or have classes, this product can help you to hear the sound clearly and loudly Made of durable soft plastic material that comfortable
Trustpilot
2 months ago
5 days ago
