Feature
-A far infrared release of the activated carbon fibre as heating Element.
-Temperature 40 degrees -55 degrees
-Available 4-6 hours; recycle300- 500 times
-Safe ! DC low voltage design. (European standard value 1/1600).
-Environmental protection
-For winter heating

-Li-Ion battery pack: 3.7V , 2200mAh (Using LG Li-Ion cell)
-Size of Li-Ion battery pack: 22 (thickness) x 33 (width) x 72 mm (length)
-Weight of Li-Ion battery pack : 60 g
-Li-Ion battery charger: 4.5V /1.2A