Description
- Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly
- Left/Right ear adjustability. Adjust the tube to left or right, so that you can wear it in your left ear or right ear.
- High/Low frequency modes. Reduces unwanted background noise by adjusting focus using two different modes.
- In the low frequency, you will hear the sound very strongly and loudly. In the low frequency, you will hear the sound very deeply and quietly
- Delivery time 15-25 days.
Max on exit: 129dB ± 4dB Max: 50dB gain acoustic ± 5dB 5% distortion, Harmon ique: 450~3500 Hz Frequency range: Noise from the beginning:30 db Battery Battery Lithium: 3.7V DC voltage work: during the work: 3 My Measurements: 46*27*16mm Net Weight: 220g meets function special edition: rechargeable battery contents of the package: 1 x auditory device instruct 1 x 4 x Plug, 1 x Brochure Educational 1 x headphones
