Specification:
Item Type: Hand Warmer
Material: ABS
Effect: Mini body makes it easier to put warm hands in your pockets. The warmth helps relieve menstrual period, skin chapped and frostbite.
Battery Type: Lithium Battery (Shipped with Built In Battery)
Power Supply Mode: USB Data Line
Battery Capacity: 2400mAh
Package List:
1 x Hand Warmer
1 x USB Data Cable
1 x Manual
Note: Manual measurement has 1‑2cm error.