hearing aids Provenance: China
Catalog: Equipment Hygienical Products Model: AVA-148
Pack: 1pc/ box, 200pcs/ctn
Brand:Price: Content: AVA-148 Technical Specification :
Maximum saturation sound pressure level (±5dB) 127
Maximum acoustic gain （±5dB） 50
Frequency response range （Hz） H：300-4000 L：2... See All Products from ALLIED VANTAGE INT'L INDUSTRIAL LTD
hearing aids Provenance: China
Catalog: Equipment Hygienical Products Model: AVA-107
Pack: 1pc/ box, 200pcs/ctn
Brand:Price: Content: Maximum saturation sound pressure level (±5dB) 120
Maximum acoustic gain （±5dB） 45
Frequency response range （Hz） 250-4800
Power voltage （V） 1.4
Battery type PR4... See All Products from ALLIED VANTAGE INT'L INDUSTRIAL LTD
BTE hearing aids Provenance: China
Catalog: Equipment Hygienical Products Model: AVA-128
Pack: 1pc/ box, 200pcs/ctn
Brand:Price: Content: AVA-128 Technical Specification :
Maximum saturation sound pressure level (±5dB) :128
Maximum acoustic gain （±5dB）: 47
Frequency response range （Hz）: 200-4800
P... See All Products from ALLIED VANTAGE INT'L INDUSTRIAL LTD
HEARING AID, AMPLIFIER, MINI EAR Provenance: China
Catalog: Equipment Hygienical Products Model: AVA-113
Pack: 1pc/ box, 200pcs/ctn
Brand:Price: Content: AVA113
1.Open the battery door use finger tip and insert 1.5v zinc air battery
2.The battery door can also is act as the on/off switch.
3.The volume increase from clockw... See All Products from ALLIED VANTAGE INT'L INDUSTRIAL LTD
hearing aids Provenance: China
Catalog: Equipment Hygienical Products Model: AVA-9902
Pack: 1pc/ box, 200pcs/ctn
Brand:Price: Content: Maximum saturation sound pressure level (±5dB) 120
Maximum acoustic gain （±5dB） 45
Frequency response range （Hz） 250-4800
Power voltage （V） 1.4
Battery type PR4... See All Products from ALLIED VANTAGE INT'L INDUSTRIAL LTD
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