Bluetooth Hearing Aids, USB Rechargeable Hearing Amplifier with Noise Cancelling & 3 Adjustable Modes, Personal Hearing Assist for Seniors Adults, Black, 1 Pack

Double Noise Reduction FunctionUse the latest generation of American digital chips to make double noise reduction than the usual sound amplifiers. No radiation and harm to human ears. Bluetooth design lets you listen to music and receive the phones with ease. Adjustable Modes3 adjustable programs and 4 volume levels to satisfy your needs in different environments. 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 helps you restart with the previous mode setting, save your time and reduce the 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 equipped with a USB cable without an adapter.) Comfortable Wearing Arc Des