Functional descriptions:
Battery:Built-in 450mAh polymer lithium battery  
USB cable:5V 1A 2*28AWG   30CM   Micro USB 
Motor:F-280  3.7V 6000±10% rpm（No load）
Knife tooth /foil:3Cr13 stainless steel
Charging time:Charging≤ 2hours 
Discharging time:≥1hour
Charger power:≥5W                 Standard voltage:3.7     
Charging current≤500mA        Quiescent current:＜20uA
Indicator light:the indicator light turns red during charging,and then turns green when it’s fully charged
Machine size:192*70*75mm
Material:ABS,PC,3Cr13 Stainless Steel installed
Packing:standard color box
Package attachment:general instructions,small brush,special USB charging cable,2pcs sticky paper tube,after-sales service card,etc.