Instruction Manual
Please read the instruction manual of this product carefully.
Warning:
1. check for any visible damage before each use.
2. Do not use if damaged or severely damaged.
3. Before you connect the power cord, check that the local power supply voltage is consistent with the
voltage indicated by the product.
4. Do not use the charging stand if it is damaged in any way.
5. This product (including toothbrush head, grip handle) if any signs of damage, please immediately stop
using.
6. Charging stand should not be used outside or near a hot surface.
7. Do not use while bathing or bathing.
8. If your mouth or gums have had surgery in the past two months, consult your dentist before using this
toothbrush.
9. If you have bleeding after using this toothbrush, or if the bleeding continues for more than a week,
consult your dentist.
10. Do not use the head of a toothbrush that is not recommended by the manufacturer.
11. If you have a heart rate regulator or other device installed, consult your doctor or the manufacturer of
the implant before using it.
12. This product is only suitable for cleaning toothbrush, gums and tongue, please do not use for other
purposes. If you feel any discomfort or pain after use, please discontinue use and seek medical assistance. If
you have medical concerns, consult your doctor before using this toothbrush.
13. This product is not intended for children under four years of age or for those who can not operate it,
unless they are under the supervision or guidance of the person in charge of safety.
14. If the toothpaste contains hydrogen peroxide, bicarbonate of Soda or bicarbonate (commonly found in
whitening toothpastes) , wash the head thoroughly with water after brushing.
Product name: sonic electric toothbrush
1.product Model: LJ-ST102
2. working voltage 100-240V / AC
3.rated power: 2w
4.switch mode: light touch
5.display mode: 1 tricolor lamp display content Sensitive, clean, whitening mode + white lamp power
indicator
6.vibration frequency :31000-47000 RPM / Min
7.working time: approximately 240 minutes (sensitive mode)
8.charging mode: induction charging (plug into universal USB charger: 5VDC) charging time about 3.5 hours
9.charging current :350mA
10.battery specification: lithium battery / ICR14500 / 650mAh
11. battery capacity reminder: low capacity, power indicator light flashing
12.WATERPROOF GRADE:IPX7
Fault diagnosis:
Situation
Possible cause
actions
The vibration is getting weaker
1. The brush is pressed against the
tooth. 2. The brush head is too
close to the body
1.Gently place the brush head on
the teeth. 2. Remove the brush
head from the handle and
reattach it to the output shaft.
Keep the brush head at a distance