• A hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss
• Superior noise reduction mode to help you get the voice information
• A loud volume amplifier, large volume can compensate for more hearing loss, giving you a well listening experience
• Comes with a large capacity battery that provides many hours of continuous use 
• Good gift for parents, or other relations who need this device

Specifications:

• Maximum sound output: 110±5dB
• Sound gain: ≥30dB
• Total harmonic distortion: ≤10%
• Frequency range: 300-4000 Hz
• Input noise: ≤30dB
• Working voltage: 1.5V
• Working current: ≤4mA