Powertone F-138 In-Ear Hearing Aid is a quality hearing aid which can help you hear the sound clearly and loudly. The volume can be adjusted to 4 different levels.
Accurate and easy to use
Volume can be adjusted with 4 levels.
Help you hear the sound clearly and loudly, whether indoors or outdoors.
Maximum loudness 130 +/- 5dB.
Sensitivity: >= 50dB.
Frequency range: 300Hz ~ 4000Hz.
1 x Powertone F-138 In-Ear Hearing Ai
2 x LR44 1.5v Battery
3 x earplug
1 x Manual