100% brand new sound amplifier
Easy to adjust sound control button and on & off switch as
Adjust volume to the minimum before wearing
Choose an earplug of slightly bigger size to avoid whistler
Increase volume gradually to avoid sudden increase in sound
Hearing Aid Devices are suitable for severe hearing loss people
Built-in lithium battery
Charger: DC 5V/500mA
Max sound output: 130±5dB
Sound gain: 50dB±5dB
Total harmonic wave distortion: ≤5%
Frequency range: 300-4000Hz
Input noise: ≤30dB
Size: 1.2 x 6.5cm(D x H)
Net weight: 69.2g
1 x hearing aid
1 x Charger (EU plug )
4 x Earplug
1 x headset
1. Don\'t throw the waste hearing aid in fire. Don\'t use the hearing aid in high temperature.
2. If any strange smell or over heat is found, stop using it.
3. Don\'t use water or organic detergent to clean the hearing aid. Not allowed to put it in water.
4. With the on & off switch, it is energy saving at the furthest.
5. If don\'t use it for a long time, fully charge the battery before maintenance.
6. Please don\'t use the computer charge.
7. Please don\'t charge more than 6 hours.