Feature:

1. [KNOB TYPE SOUND CONTROL] This sound amplifier device uses a knob type sound control to adjust the volume.
2. [WITH 5 EARPLUGS] The aid headphones come with 5 silicone earplugs that are soft and elastic, effectively relieving ear discomfort.
3. [COMFORTABLE TO WEAR] The portable sound amplifier fits the contour of your ear for extra comfort all day long.
4. [RECHARGEABLE FUNCTION] This hearing amplifier has a built in rechargeable 25mAh lithium battery (included), convenient to use for you.
5. [PORTABLE DESIGN] The rechargeable hearing amplifier is compact for easy portability. Easy to operate for seniors.

Specification:

Item Type: Sound Amplifier
Material: ABS
Maximum Sound Output: 120+3dB
Sound Gain: >= 30dB±5dB
Total Harmonic Distortion: < 10%
Frequency Range: 450-4500MHz
Input Noise: <32dB
Current: 1.2mA
Built in Lithium Battery Capacity: 25mAh (included)

Package List:

1 x Sound Amplifier

1 x Charging Base

1 x Charging Cable

1 x Manual

5 x Earplug

1 x Brush