• 4 Gears for Temperature. The first gear is 35-38°C, the second gear is 38-42°C, the third gear is 42-48°C, fourth gear is 48-55°C
• The 5200mAh large capacity power bank keeps warm, and with it, you won't be afraid of the cold when playing mobile phones in winter
• There are battery capacity indicator lights, temperature gear indicator
• Not only a hand warmer but also is a portable power bank, that supports charging mobile phones

Specifications:

• Capacity: 5200mAh
• Battery type: 16850 lithium battery
• Input: 5V/2A
• Output: 5V/2A
• Material: ABS+PP+Aluminium alloy
• Use time: 4-8 hours
• Interface type: Type-C
• Low temperature: 35-38℃
• Medium temperature: 38-42℃
• Medium-high temperature: 42-48℃
• High temperature: 48-55℃