Doosl Hearing Amplifiers Rechargeable, Noise Reduction In-Ear Digital for Seniors, Enhances Speech and Audio Personal Sound Amplifiers with Portable Charging Case, Both Ears Handheld Vacuum Working Frequency: 40kHz

Working Frequency: 40kHz

Six Speed Modes With Adjustable Blowing Tubes:You will get a comfortable using experience with adjustable blowing tubes and speed

Display Technology: TFT LCD

dynamic atmospheres

the arrows should face each other

Doosl Hearing Amplifiers Rechargeable, Noise Reduction In-Ear Digital for Seniors, Enhances Speech and Audio Personal Sound Amplifiers with Portable Charging Case, Both Ears Handheld Vacuum Working Frequency: 40kHzCare for Seniors with Hearing Impairment Hearing Amplifiers for seniors is an ideal hearing companion for people with hearing impairment who listen to music, talk, or watch. Hearing Amplifiers suitable for patients with mild to moderate hearing loss. Intelligent and High Quality Hearing Amplifiers for seniors have clear sound quality, beautiful appearance, sturdy and durable. Hearing Amplifiers with adjustable amplification mode function, Hearing