Suitable for Hearing Aids in the Comparison Chart Customer Reviews Price brush quantity 8 10 12 no data no data no data adjust volume/program button ✓ ✓ ✓ no data no data no data clean ear domes and tub ✓ ✓ ✓ no data no data no data remove or install battery ✓ ✓ ✓ no data no data no data peak gain no data no data no data 47dB 41dB 53dB Size no data no data no data 1.3x0.35x0.5", 3.2g 1.3x0.5x0.3",3g 1.4x0.4x0.3", 3.7g Target User no data no data no data mild, moderate, moderate to severe hearing loss mild, moderate hearing loss mild, moderate hearing loss Pre-assembled no data no data no data Slim sound tubes(with Thick tube to choose) Wire Slim tube(can't be adjusted or replaced) Ear hook(with Thick and Thin tube to choose) Hearing Aid Type no data no data no data BTE(behind the ear) RIC(receiver in canal) BTE(behind the ear) Charging Method no data no data no data dual charging dock with type-c cable charging case with type-c cable micro-usb cable