power:3x AAA /piece battery (battery is not include ),total need 6pcs battery .
ON/OFF switch with LED
Products size :30x40x2cm(about male size S ,and femal size L)
Package: OPP bag
Material: ventilative fabric carbon fiber
Protecting hands from freezing or frostbite in frigid high mountain and winter.
Perfect for outdoor acticities under frosty climate.