Personal Sound Amplifiers, Double Noise Reduction Function Personal Sound Amplifiers, Rechargeable Personal Sound Amplifiers for Seniors Moderate to Severe Hearing Loss Straightening Curling Iron Dual-channel anti-backflow design:Fully separated gas

Dual-channel anti-backflow design:Fully separated gas and liquid

Button : 1*WPS/RST button

Just plug it in

the solar panel will converts the sunshine into electrical energy and stored in the rechargeable battery

(Tips:It is USB rechargeable hearing assist without frequent battery replacement)

Personal Sound Amplifiers, Double Noise Reduction Function Personal Sound Amplifiers, Rechargeable Personal Sound Amplifiers for Seniors Moderate to Severe Hearing Loss Straightening Curling Iron Dual-channel anti-backflow design:Fully separated gas"Clear Sound Quality With adjustable amplification mode function, it can amplify speech background without missing any piece of sound, thus bringing you a clear listening experience without causing transmission loss. 3 Adjustable Modes This digital amplifier is the best solution for people with mild to moderate aural problem. Boasts 3 adjustable amplify modes and an active noise reduction function, amplifies speech while reducing unwanted background