4000Mah Hand Heater Rechargeable Hand Warmer Power Bank

4000Mah Hand Heater Rechargeable Hand Warmer Power Bank
real capacity:         4000mAh            
Material:          ABS+PC
Function:      LED Display, RECHARGEABLE, Hand Warmer
input/output: 5V/2A                                 
product temperature:low temperature: 40 ° c, constant temperature: 50 ° c, high temperature: 60 ° c
product size:         63*41*104mm
net weight:            100g  
gross weight:       120g
color:                  Wihte,Green,black,Pink