3.5" overall. Up to two hour runtime. Battery and
heat indicator lights. Up to 113F/45C operating temperature. Continuous
gentle warmth on both sides. High and low heat settings. 5V1A micro USB
port (cord included). Auto charging feature. Power bank feature also
recharges USB compatible device. Requires (1) Lithium battery
(included). Black. Clam packed.
Rechargeable Hand Warmer
- : Zippo