Features
- Best sound amplifier in ear
- Light weight, easy and comfortable to wear
- Volume adjustable
- Silicone earplugs in 5 different sizes, fit most ears
- With battery charger, and 1 cleaning brush
- Anti-shock, anti-drop, moisture proof, high temperature proof
- Help people with hearing impairment to hear sound and voice

Information:
Maximum saturation sound pressure level: 127dB
High-frequency average: 115dB
Full on acoustic gain: 40dB 1600Hz
Frequency response range: 400 - 3500Hz
Weighted equivalent continuous perceive noise level: less than 32
Total harmonic distortion: 7 percent
Battery capacity: 40mAh
Charging time: 8 - 10H
It can be used for 12 - 18H after fully charged
Charge-discharge cycles: less than 500 times Item Type: Ear Care
Package weight: 0.169 kg
Product Size ( L x W x H ): 14.50 x 10.50 x 6.00 cm / 5.71 x 4.13 x 2.36 inches
Package Size ( L x W x H ): 15.50 x 11.50 x 7.00 cm / 6.1 x 4.53 x 2.76 inches
Package Content: 1 x Soud Amplifier