Battery: 1.2V
Working Current: Less Than 3mA
Signal to Noise Ration: Less Than 28db
Frequency: 100-4000Hz
Gain: 30db
Distortion: Less Than 6%
Color: As the picture showFeatures:
100% Brand New and High Quality
Sound amplifier helps to amplify sound up to 30x with low background noise.
Inbuilt battery convenient to recharge.
There is no battery required to replace again.
Fully charged replaceable artery can stand up to 8-10 hours continues use.
Best hearing keep the ear tips clean and replace.
Interchangeable ear tips to seal out the noise.