What's in the box:

Mini Hearing Aid Small Inner Ear Invisible Sound Amplifier Volume Adjustable Hearing Aids for the Elderly with Storage Case (Standard)

Features:
Super mini size and light weight, not easily to be seen.
Silicone earplugs in 4 sizes, fit most ears.
Pocket design for portability.
Reduce noise, provides good sound quality.
Powered by 1 A10 button cell(included), long battery life, durable and reliable.

Specification:
Type: Hearing Aid
Max sound output: 120 5dB
Max Sound gain: 40dB 5dB
Total harmonic wave distortion: 8%
Frequency range: 300-4500Hz
Input noise: 30dB
Current: 2mA
Package Size: Approx. 7.3 * 7.3* 3.3cm / 2.9 * 2.9 * 1.3in
Package Weight: 82g / 2.9oz

Package list:
1 * Hearing Aid
1 * Carrying Case
2 * A10 Button Cell
4 * Earplug
1 * User Manual