ThermaCELL Heat Packs – Hand Warmers are small battery-operated warmers. These hand warmer packs can fit easily in pockets, jackets, pants and gloves for up to 6 hours of constant heat per charge. Charge your hand warmers between uses to keep them ready for any cold weather you’ll face.

Package Includes:

• 2 hand warmers
• Equipped with integrated rechargeable lithium-ion polymer batteries
• 1 USB wall charger
• 2 USB cords and an instruction booklet

Features:

• Charges in 4 hours or less
• Thin and lightweight
• Easily turn off at the touch of a button
• Three temperature settings reaching up to 116F
• Recharges over 500 times
• Shock-resistant
• Water-resistant