How To Use "Crystal Smart Hearing"
1. Open the box
2. There are 3 different sizes of earplugs. Choose the most suitable one for your ears
3. There are 2 earbuds in the box.
1 Left, 1 Right. Make sure you check before put it on your ears
4. Start using:
Take out the earbuds from the charging case. Normally the blue light flashes 3 times (or you can long touch the center of the shell for 4,5 seconds)
5. Adjust the volume
Short touch the center of the shell to change the hearing mode. There are 5 levels. When you hear 3 times (beep, beep, beep it means the volume has reached the maximum point)
6. Turn off
Touch the center of the shell for 4,5 seconds until the blue light flashes 3 times and put it back to the charging case
- The white light indicator is keep lighting, it means that the battery is fully charged
- The white light indicator is keep flashing, it means that the battery is being charged (not full yet)