Doosl Bluetooth Hearing Aids for Ears Rechargeable, Hearing Amplifier with Noise Cancelling for Seniors Hearing Loss, 1 Pcs, Black

Bluetooth 5.0Bluetooth 5.0 automatically linked when the hearing aid boot up. Double Noise Reduction FunctionUse the latest generation of American digital chips to make double noise reduction than usual sound amplifer. No radiation and harm to human ears. Bluetooth design lets you listen the music and receive the phones with ease Adjustable Mode3 adjustable programs and 4 volume levels to satisfy your needs in different environment. Ideal for indoor, outdoor, or public spaces. Adopted 4-channel hierarchical noise suppression technology can restore the real sound to the greatest extent and reduce background noise. A convenient memory function help you restart with the previous mode setting, save your time and reduce hassle to adjust again. Fast Charging & Easy To UseUSB rechargeable mode avoids the trouble of buying button batteries, fully charged for 1.5-3 hours and it can continue to be used for 15-30 hours in hearing mode, 3 hours more in Bluetooth mode. (The product is equippe