2,400 mAh 2-in-1 Portable Rechargeable Hand Warmer includes the following features :

• These hand warmers can be used separately or combined to warm both hands simultaneously. 
• Compact and pocket-friendly
• 3 Adjustable temperature setting gears: 45°C > 55°C > 60°C
• Press the switch button twice to operate breathing light function
• Rated voltage: 5V
• USB input/output: 5V/2A
• Working time: 1-3 hours
• Charging time: 1 hour
• Battery capacity of 1,200 mAh for each side
• Type-c charging
• Customized logo is accepted

Material :

• ABS and PC housing

Size closed :

• Length of 9.7 cm x Width of 2.9 cm x Thickness of 3.4 cm (each side piece)
• Weight of 280 grams