iBstone K21 Blue hearing aids sku-3854356183 791386455941

iBstone K21 is a Blue OTC Hearing Aids & Amplifiers listing, sku-3854356183, UPC 791386455941. The rechargeable pair comes with a portable charging case. Its digital system enhances voices and reduces noise, with 4 programs and touch controls for volume and program selection. The aids turn on and off when removed from or placed in the case. Included are 18 ear domes in 3 shapes and sizes.

The source describes a beige in-ear surface despite the Blue listing color. It claims more than 20 hours of use after charging, around 100 hours of backup power from a 2-3 hour charge, lifetime support and a 100% money-back guarantee.