• Max Sound Output：130 ± 5dB
• Sound Gain：≥45dB
• Total Harmonic Wave Distortion：≤5%
• Operation Current：≤4mA
• Frequency Range：200-4000Hz
• Input Noise：≤30dB
• Voltage：1.5V
• Battery size：LR754
• Battery capacity：68Mah
• Operation current：4.5mA
• Working time：15H
• Machine size：35mmx12mmx8mm

Features

1. Behind the ear hearing aid, easy to wear and comfortable wearing in either ear;
2. A key switch, volume adjustment, easy operation;
3. Corresponding uncomfortable threshold properly adjust the maximum output, protect ear;
4. 3 different earplugs are provided, which can fit different people's ear;
5. With audio input, low noise, high quality;
6. Elegant shape with soft touching,super small speaker, invisible to wear

Package & Accessories

• 1 Hearing aid Personal sound amplifier
• 3 Ear tips
• 1 Black velvet box
• 1 Manual book
• 2 LR754 battery