ST01 Right Ear Rechargeable Hearing Aid Ear-Back Type Sound Amplifier Digital Sound Amplification Device with 9 Earplugs for Elderly / Deaf People

This is a rechargeable hearing aid, based on the integrated circuit signal processing system, using a moving iron horn, 2-gear preset sound quality selection. Built-in rechargeable lithium-ion battery and reliable charge management system, fast charging speed, providing long working time, stable and good performance.

• Mobile iron receiver EMS microphone
• Volume can be controlled by the knob
• Noise reduction mode for high and low frequency environments
• H for low-frequency suppression; N for normal use; O for the turn-off
• Built-in 40mAh rechargeable lithium-ion battery 
• Charge time is 2.5 hours. It lasts 40 hours on a full charge