Features:
4 Pieces of earplugs in different sizes: Designed for different ear size and suitable for different people.
Amplify External Sounds effectively: The best gift for your parents and awaken your loved ones' hearing.
With two A10 batteries: Power-saving design, one battery can be used for 100 hours.
Reliable quality, made of skin-friendly material: Flexible, safe to wear without harming ear canal.
Pack it in a small box: Easy to take it with you and your best mate to listen outside world.

Specifications:
Type: Hearing Aid
Material: Silica Gel; ABS; Metal
Color: Khaki
Max sound output: 11015dB
Max sound gain: 30dB5dB
Frequency range: 300~ 4500Hz
Total harmonic wave distortion: 8%.
Input noise: 32dB
Current: 2mA
Package Size: Approx. 7.5 * 7.5 * 3.5cm / 2.95 * 2.95 * 1.37in
Package Weight: Approx. 84g / 2.96oz

Package List:
1 * Hearing Aid
4 * Earplugs
1 * Cleaning Brush
1 * English User Manual
2 * A10 batteries