vigor 402 open fit hearing aids

{"cid":"91226350","title":"Bone Conduction Open-Ear Design Assistive Listening Earbuds with 16-Channel Digital Audio Processing and 10+ Hours Battery Life","imgUrl":"https:\/\/img.chinax.com\/nimg\/2f\/d1\/0457ca0f2575ddc7e16624d7a511-200x200-1.jpg","attrs":{"Brand Name":"Boin","Model Number":"B4","Payment Terms":"T\/T","Bluetooth Version":"5.3","Charging Interface":"Type-C","Battery Life":"10+ Hours per Charge","Certification":"Customized","Place of Origin":"China","Maximum OSPL90":"111 dB","Smart Digital Chip":"16 Channels","Maximum Sound Gain":"24 dB"}}