• The double temperature control unit is more effective and safer
• Overcharge power off does not leave hidden dangers
• Don't need to add water, electronic heating
• Double-sided uniform heating aluminum alloy efficient heating piece
• The hand warmer power bank is small in size, only 68.5 x 74 x 33.8mm

Specifications:

• Product material: fire-proof grade ABS, high thermal conductivity aluminum alloy
• Charging time: 2 hours
• Charging input: 5V/2A max
• Battery capacity: 5000mAh
• Heating temperature: 52°C
• Size: 68.5 x 74 x 33.8mm