Technical Data:
Voltage: 110V 60Hz or 220V 50Hz
Input: 5V 1A
Output: 1.8W Max
Battery: 3.7V/1400mAh
Light source: LED
High temperature autoclave: 134°C
Weight: 0.3 kg
Package: 17*15*5 cm

Packing list:
Tooth dryer *1
Tube *3
USB cable *1
Charger *1
Operation manual *1

Charging:
1)When the light flashes, lightness is not enough or fan shutdown automatic, please stop using the device and recharge the battery.
2)2) Connect the AC adapter with the device properly, and insert the AC USB adapter plug to the power socket.
3) The red indicator is lighted when the device is charging, it means charging has finished when the red indicator turns green.