2 In 1 Retro Heater USB Charger Output Portable External Battery Hand Warmers 5000mAH Power Bank For Christmas Gift

Overview:

Q1: Only one side or both sides?
A1: Warm the whole hand.
Q2: When will the hand warmer reach 52℃?
A2: When the hand warming mode is turned on, the real-time temperature will be displayed, and then it will be heated to 52℃, which takes about 30s-1min, and then kept at 52℃. (If the room temperature is too low, the heating time will be longer, which is normal.)
Q3: How long will the hand warmer heat up?
A3: After fully charged, it can be kept at 20℃ for 3.5h to 4.5h.
Question 4: Is it safe to use?
A4: The temperature is automatically controlled by the chip during charging, and the flame-retardant ABS material can also prevent high temperatures.
Q5: How to change the hand warmer mode and mobile power mode?
A5: There are 2 buttons on it, press and hold the right button for 3 seconds, it will start to display heat and digital temperature. Press the right button at the same time for 3 seconds to turn off the heating mode. Press the left button to turn on the mobile power mode and digital battery display.
Q6: How to charge?
A6: There are 1 input and 1 output interface on the right side. There will be a micro usb cable for charging in the package.
Q7: Why does the temperature decrease after 52℃?
A87 has a high temperature protection function. When the hand warmer reaches 52℃, it will stop heating. If you think the temperature is not high enough, you can turn it on again.

Specification:

Material: flame-retardant ABS, high thermal conductivity aluminum alloy
Battery capacity: 5000mAh
Input: 5V / 2A
Size: 69 * 74 * 34mm
Function: hand warmer and charging mobile phone

Package Content: 

1 x mobile power supply 

1 x USB cable

1 x flannel bag

30 Days to Initiate a Return
You can initiate a return for most new and unused items within 30 days of delivery for a refund.

Most New and Unused
You must return items in new or unused condition with all original materials included with the shipment.

45 Days to Receive Returned Items
We must receive your returned items at our processing facility within 45 days of delivery.

Errors & Defects
If the return is a result of our error or defective product, we will refund the full cost of the merchandise and shipping charges.