Usb Rechargeable- Electric Hand Warmer, Double-side Heating, Pocket Power Bank

Features:

Equipped with special lithium ion protection board to effectively prevent overcharge, over discharge, over current, short circuit, etc.
Can automatically detect and adjust the charge and discharge voltage and current, truly protect the user's 100% safety.
The number of charge and discharge cycles is ?500 times.
Power output using USB port, plug in the data cable to achieve portable, charging at any time.


Specifications: 

Product material: Aluminum Alloy + ABS
Product charging time: about 5 hours
Input / Output: 5V / 1A
Size: 110 x 60 x 40 mm
Temperature level 1:Use at low temperature for 104?/40? 12 hours
Temperature level 2:Constant temperature 122?/50? 8 hours
Temperature level 3:high temperature 140?/60? 10 hours

Package Includes: 


1 x Hand Warmer

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.