1. Wireless invisible hearing aid designed specifically for people with mild to moderate hearing loss, balancing discretion with clear sound quality, offering comfortable wear and simple operation.
2. Smart magnetic on/off control: Automatically powers off when placed in the magnetic charging case; ready to use immediately upon removal, eliminating manual operation.
3. Knob volume adjustment + Transparent pull cord for insertion/removal: Includes an adjustment tool for fine-tuning volume; transparent pull cord design facilitates quick device retrieval.
4. Magnetic charging case: Provides up to 100 hours of extended battery life. When fully charged, the hearing aid battery lasts approximately 20 hours. Charging time is 3 hours.
5. Tubeless and cordless design for comfortable wear: No external tubes or wires; does not interfere with glasses, masks, or hairstyles; includes multiple sizes of silicone ear tips.
Parameters:
1. Max OSPL90: 110 +/- 4 dB
2. High-frequency average OSPL90: 106 +/- 2 dB
3. Full-on gain: 34 +/- 2 dB
4. Average gain: 28 +/- 2 dB
5. Equivalent input noise: 22 +/- 2 dB
6. Frequency bandwidth range: F1 less than or equal to 500 Hz, F2 less than or equal to 5000 Hz
7. Total harmonic distortion: less than or equal to 3%
-Laboratory test data are for reference only; actual products may vary.