The Kopen Digital Invisible Mini Hearing Aid is a compact, comfortable solution designed for seniors and adults with mild to moderate hearing loss. Built with advanced sound amplification and voice processing, it delivers clear, natural sound in everyday situations. Its discreet in-ear design and medical-grade materials make it ideal for long-term, comfortable use at home, work, or outdoors.
✅ Key Features
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Digital sound processing for clear and natural hearing
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Invisible in-ear design for discreet everyday use
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Comfortable fit made from medical resin and silica gel
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Low distortion (≤10%) ensures audio clarity and balance
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Dual-channel amplification for enhanced voice detection
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Compact and lightweight at just 3 grams
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Energy-efficient battery for extended use
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RoHS certified for safety and environmental compliance
✅ Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Digital Hearing Aid |
| Material | Medical Resin + Silica Gel |
| Channels | 2 Channels |
| Function | Sound Amplification & Voice Processing |
| Distortion | ≤10% |
| Battery Type | A10 / LR41 |
| Max Output (SSPL90) | ≤117 dB SPL |
| HFA SSPL90 | 107 ±4 dB SPL |
| Peak Gain | 40 ±5 dB |
| Frequency Range | 200Hz – 7645Hz |
| Working Current | 1.36mA |
| Compression Rise Time | 48ms |
| Equivalent Input Noise | ≤32 dB |
| Dimensions | 18 × 15 × 9 mm |
| Weight | 3 g |
| Color Options | Blue, Red |
| Accessories | Ear Tips, Cleaning Brush |
| Certification | RoHS |
| Warranty | N/A |

















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