Product Introduction
The ZOWA EM27 is a compact, rechargeable behind-the-ear sound amplifier designed to make everyday sounds and conversations easier to hear.
It is suitable for use during conversations, family gatherings, work, and while enjoying television, music, or movies.
Featuring adjustable volume, a flexible 360° ear hook and three ear-dome sizes, the EM27 can be adjusted for a comfortable and secure fit.
Its rechargeable lithium battery provides up to 40–50 hours of operating time, making it convenient for everyday use.
Key Features
- Compact behind-the-ear design
- Up to 40 dB peak sound gain
- Adjustable volume control
- 360° adjustable ear hook
- Rechargeable 3.7V lithium battery
- Approximately 40–50 hours of operating time
- Approximately 2 hours charging time
- Red charging and green fully charged LED indicators
- S, M and L ear-dome sizes for a comfortable fit
- Simple ON/OFF power switch
- 1-year warranty
Product Specifications
| Specification | Details |
|---|---|
| Model | EM27 |
| Product Type | Rechargeable Hearing Amplifier |
| Peak OSPL90 | ≤125 dB SPL |
| HAF OSPL90 | 120 dB SPL |
| Peak Gain | ≤40 dB |
| HAF/FOG Gain | 35 dB |
| Frequency Range | 300 Hz–4,500 Hz |
| Distortion at 500 Hz | ≤5% |
| Distortion at 800 Hz | ≤3% |
| Distortion at 1,600 Hz | ≤3% |
| Equivalent Input Noise | ≤28 dB |
| Rated Power Current Consumption | ≤2.0 mA |
| Power Supply | DC 3.7V rechargeable lithium battery |
| Charging Time | Approximately 2 hours |
| Initial Charging Recommendation | 2–3 hours |
| Operating Time | Approximately 40–50 hours |
| Dimensions | 41 × 9 × 16 mm |
| Ear Hook | 360° adjustable |
| Volume Control | Adjustable volume wheel |
| Charging Indicator | Red: Charging / Green: Fully charged |
| Warranty | 1 year |
| Certifications Listed in Manual | FDA, ISO 13485, CE and RoHS |
Warranty
Comes with a 1-Year Limited Warranty against manufacturing defects under normal usage conditions.
Important Notice
- Intended for adults aged 18 years and above.
- This product is intended for individuals with perceived mild to moderate hearing difficulties.
- If you experience pain, discomfort, sudden hearing loss, or irritation, discontinue use and consult a healthcare professional.






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