Product information:  
 
 Rated voltage :3.3V-4.2V 
 Battery capacity :450 mah 
 Charging time :2 hours 
 Working time :2-3 hours 
 Product size :13.2*7.7*8 cm 
 Material :ABS 
 Heating temperature :39℃ -42 °C 
 Single package size (CM):162X109X72
   
  Packing list: 
Plastic puller*1
Cable * 1