airgun gain potentiometer otc hearing aids

{"cid":"91222344","title":"4 Hearing Aid Programs OTC Hearing Aids Airgun Gain Potentiometer for Precise Volume Control Up to 60 Hours Battery Life","imgUrl":"https:\/\/img.ismap.com\/nimg\/52\/5f\/4757645bcd6b170c8aebffe02b22-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Sounds Good","Model Number":"1815B","Minimum Order Quantity":"500PCS","Delivery Time":"5-8 weeks","Certification":"FDA FCC CE ROHS RSL-SCCP","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"2000pcs per day","Packaging Details":"Carton Size: 51.5CM*45.5CM*37CM, Quantities: 56PCS\/carton box, Gross weight per carton box\uff1a18.5Kg, Net weight per carton box\uff1a2.2Kg","Noise Reduction":"Automatic","Channels":"8","Battery Type":"Rechargeable Lithium-ion Battery","Auto-Noise Cancellation":"Advanced algorithms for canceling background noise","Certifications":"FDA, FCC, CE, ROHS, RSL SCCP","Sound Output":"110dB\u00b15dB","Total Harmonic Distortion":"\u22641.5%","Instantaneous Noise Suppression":"Detects and reduces disruptive noise types"}}