Preces apraksts

• Hearing aid MaxSound Output: 130±5 dB MaxSound Gain: 55±5 dB Harmonic Wave Distortion:≤10％(1000Hz) FrequencyRange: 300-4500 Hz Input Noise:≤30 dB Battery: AG13 Button batteries (Randomly deliver one battery or without battery) Working Voltage: dc1 Working Current:≤3mA Color: As the picture shows Item Size: three x 2 x zero x 3cm Package Size: 19 x eight x 2cm Net Weight: 9g Package included 1 x JZ-1088A Hearing relief three x Earplug (different sizes) 1 x User guide 1 x Box ( elective ) Note 1 quantity to the minimum earlier than sporting 2 an earplug of slightly greater length to bypass whistler 3 volume progressively to bypass sudden develop in sound four you pay attention a howling, test the ear (silica gel) is suitable and whether the dimensions of plug is tight, the appropriate choice of earplugs and plugged, ensure no air leakage 5 the ear plug clear 6 the battery once you don&;t use it for long time

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