GM-305 Binaural Magnetic Rechargeable Hearing Aid Wireless Elderly Voice Amplifier(White)

1. Material: ABS 2. Weight: 150g 3. Function: hearing aid 4. Power supply mode: USB charging/built-in lithium battery 5. Battery capacity: charging compartment: 300mah, hearing aid 50mah 6. Frequency response range: 300-3500Hz 7. Charging time: 3 hours 8. Features: compact and portable, clear sound quality, intelligent noise reduction, magnetic charging, long-lasting battery life, one-key operation, comfortable to the ear 9. High frequency average: 103 Features: 1. The appearance is ergonomic 2. Into the ear from a scientific perspective 3. Hidden into the ear, can fit the contour of the ear comfortably 4. Not easy to drop when worn