• Cozy Design: The curved shape wraps around your palm and thumb for comforting warmth. Its lightweight and sleek design fits in your pocket or glove securely.
• Instant Heat: OCOOPA rechargeable hand warmers provide instant double-sided heat in seconds. Just press the button for fast warmth!
• 7800 mAh Battery: Charges in hours and offers up to 8-12 hours of lasting heat. It also serves as a backup battery for your USB devices. Use a 5V*2.4A charger for quick recharge.
• 3-level Temperature: Choose from 3 levels of warmth: 95-107°F/104-118°F/118-131°F to suit your preference.