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
