Features:

The sound amplifier helps amplify sound up to 30x with low background noise.

Built-in battery convenient to recharge.

There is no battery needed to replace again.

Fully charged replaceable artery can support up to 8-10 hours continues use.

Better hearing Keep the ear tips clean and replace.

Interchangeable ear tips to seal out noise.

Descriptions:

Please put the product directly inserted into the black box on the product without electricity.

Put the power into the DC socket, charging the black box in the exposure of flashlights lit.

Continue to use long time, during the day, do not worry, it will not run out of electricity.

Choose the suitable for your earplugs, and then switch to ON open state, and then to turn the volume switch to your dB.

When you sleep or take a bath when you put it down, will hit the OFF power off state, then can long use time.

Do not put the product into water or humid places.

Specifications:

Materials: Plastic

Color: Skin color

Size: 14.5*6*10.5cm

Model number: JZ-1088F

Signal to Noise Ration: Less than 28db

Plug type: EU/US

Frequency: 100-4000Hz

Voltage: 1.2V

Gain: 30db

Working current: Less than 3mA

Distortion: Less than 6%

Charging time: Approx. 3 hours

Working time: 8-10 hours