1. A discreet, high-performance sound amplification solution designed for seamless integration into daily life. This rechargeable hearing device combines advanced audio technology with a compact, invisible design, powered by a portable mini charging case. Ideal for adults seeking clarity, comfort, and confidence in social interactions.2. Experience natural, high-fidelity audio enhanced by precision balanced armature speakers, optimized for speech clarity and immersive sound.3. Simplified design eliminates the need to distinguish between left and right ears, ensuring quick and convenient usage.4. Soft, ergonomic ear tips provide a secure and comfortable fit for extended wear, adapting to various ear canal shapes.5. User-Friendly Mechanical Switch: Effortlessly control power and volume with a tactile mechanical switch, designed for easy operation by seniors.6. Long-Lasting Portable Charging Case: Charging time is 2 hours, and the use time of a single hearing aid is 10 hours. The charging box supports charging a single hearing aid 12 times.7. High-Definition Sound Pickup & Noise Reduction: Advanced noise reduction technology minimizes background interference, ensuring clear conversations even in noisy environments.Specifications:1. Maximum OSPL90: Less than or equal to 115dB /-5dB2. High frequency average OSPL90: Less than or equal to 110dB /-5dB3. Full volume gain: Less than or equal to 28dB /-5dB4. Frequency response range (not less than): 400Hz – 5000Hz5. Total harmonic distortion: 7% /-3%6. Equivalent input noise level: Less than or equal to 25dB /-5dBLaboratory test data is for reference only; actual product may differ
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