• Intelligent temperature control, built-in thermostatic heating element, heating more evenly and quickly
• Multifunctional, can be used to warm hands, neck, abdomen, can also be used as a power bank
• 5000mAh high-capacity battery, fully charged for your device anytime, anywhere
• 3-speed temperature adjustment, low-grade 40 ℃, mid-range 50 ℃, high-grade 60 ℃ 
• Neck warmer function, fixed at 48 ℃, neck warmer can be individually controlled (double-click the switch, the power on display temperature "88", off display "00")
• 2.0A fast charging, with USB output port + micro input port
• Small size, easy to carry

Specifications:

• Material: ABS 
• Rated voltage: 3A
• Rated power: 13.5W
• Operating voltage: DC 5V/3A
• Power supply interface: USB
• Battery capacity: 5000mAh
• Charging time: 4 hours
• Endurance time: 2-5 hours
• Size: 15.5*9*3.5cm