Specifications:

• Battery capacity: 5200mAh
• feature 1: warmer heating
• feature 2: hand warmer winter
• feature 3: usb hand warmer
• feature 4: 2 In 1 Mini Hand Warmer
• Heat Preservation Duration: 6 Hours & Under
• model name: Hand warmer
• Origin: CN(Origin)
• Power: 50W & Under
• Power Supply: USB charging
• Rated Power: 5V
• Rated Voltage: 2A
• usage: Rechargeable hand warmers