16-Channel Open Fit Behind-The-Ear Hearing Aids Dual Devices With Magnetic Digital Display Charging Case(Black)

1. Delayed startup to prevent the whistle from occurring. There are two startup modes. After startup, it will delay for 15 seconds to ensure sufficient wearing time, thus avoiding the whistle phenomenon
2. Three noise reduction modes are provided, with a five-level volume adjustment function that can be switched with one button. It is specially designed for your clear experience and has a memory function
3. Utilizing a 16-channel digital chip, multi-threaded analysis of sounds and an intelligent noise reduction system, accurately filtering environmental noise
4. Ultra-long battery life. Magnetic charging design, suitable for automatic charging of the charging case. A single charge can last up to 12 hours
5. LED intelligent display, high-definition dynamic charging display. The charging cases battery level is displayed in real time. Whether at home or on the go, you can fully control the battery status
6. Compact design, small and lightweight. Its own weight is only 3.2 grams, and it will not cause a burden on the ear

Parameters
1. Rated voltage: 3.7V
2. Rated power consumption: less than or equal to 2.5mA
3. Equivalent input noise level: less than or equal to 11 ± 3 dB
4. Total harmonic distortion: less than or equal to 3%
5. Total gain: less than or equal to 34 ± 5 dB
6. Maximum saturated output sound pressure level: 90 dB: less than or equal to 125 ± 3 dB
7. High-frequency average sound pressure level: 90 (dB): 110 ± 4 dB
8. Frequency response range: not less than 200Hz - 5000Hz
9. Charging port: Type-C
10. Battery capacity: main unit 35mAh, charging case 300mAh
11. Weight per unit: about 3.2g