Voltage :DC 3.7V 400 mAh Current :35mA Product :65.0*60.0*26.5 

Charge current:150mA 

Charging time:3h 

Produce anion number:3*106cm3 Charging voltage :DC 5V(USB interface, computer or power adapter.)

Material: ABS

Accessory: User manual, USB cable, Adapter(Optional)

Features:1.Purify air, remove secondhand smoke.

           2.Anti-pollen allergy. 

           3.Computer radiation resistance

           4.With small flashlight function