C55 8-band Digital 6-channel Hearing Aid Headphone Sound Amplifier(Left Ear)

1. Dimensions: 1.6X2.4 cm
2. Weight: 2.05g
3. Three in one button: 1S / adjust volume, 3S / adjust program, 8S / standby
4. Feedback suppression system
5. Full digital and manual control
6. Built-in 6 channels and 8 frequency bands
7. USB charging box, fast and convenient
8. Intelligent noise reduction
9. Wind noise manager
10. Transient loud sound insulation
11. Scene conversion
12. Maximum output control
13. Low voltage prompt
14. Advanced digital chip, excellent sound quality