External auxiliary battery with hand warmer function, made of aluminium.
Material:
Aluminium
Capacity:
2,500 - 4,999 mAh
Features:
With ON/OFF button at the front that releases a pleasant warming effect with 3 intensity modes. 4000mAh. Type C input and output connection -cable included- and USB output to charge any device. Type C Input/Output: 5V DC - 2.4A1 USB Outpu