Specification:
<br />
<br />1. Name: Hearing Aid
<br />2. The maximum sound output:  120 dB
<br />3. Maximum sound gain:  30 dB
<br />4. Frequency range: 250~3800 Hertz
<br />5. Input Noise:  50 dB
<br />6. Battery: AG3 Button batteries(included)
<br />7. Working voltage: DC1.5V
<br />8. Current job:  4mA
<br />9. Material: Plastic
<br />10. Weight: 2g
<br />11.Outer packaging: Carton; Inside: Plastic boxes
<br />12. Size: 1.8*1.3 cm / 0.71 * 0.51 in 
<br />
<br />Accessories 
<br />
<br />1 * English User Manual 
<br />4 *  Ear cap<p> <b><b><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-2-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-4-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5809c7b3a58a7f3e10ccf94d-7-large.jpg></b></b></p>