This one does not come with a mobile power supply, and the other one is USB. If you need it, please open this link https://www.mydeal.com.au/usb-electric-heating-warm-palace-belt-for-period-pain -relief-cramps-9065684?

Portable Heating Pad Massage Warming Belt USB Heated Belt Electric Heating Pad for Cramps Pain Relief USB Infrared Warming Waist Belt

Constant massaging and heating therapy treatment promotes blood circulation and relaxes body, effectively relieve the discomfort caused by dysmenorrhea

Features:

• Hot compress and massage, control by button
• Can heat up quickly, reach the depth of the abdomen easily, and keep the abdomen warm
• Adjustable waist strap design that adjusts waist size for a comfortable waist
• Three heating Temperature adjustable, 45 degrees Celsius, 50 degrees Celsius, 60 degrees Celsius
• Can promote blood circulation and relaxes body, effectively relieve the discomfort caused by dysmenorrhea
• USB charging design, you can take power from power bank(power bank not included)
• Fully washable, convenient for daily use and cleaning
• Lightweight and portable, easy to carry
• You can use the heating pad anywhere and anytime
• Suitable for 66cm-100cm waist circumference

Specification:

• Material: PU Leather, Polyester
• Color: Pink, Gray
• Heating Temperature: 45 Degrees Celsius, 50 Degrees Celsius, 60 Degrees Celsius
• Input/Output: 5V2A

Package Contents: 1pc Portable Heating Pad(Only Heating Pad, Not Included Other Accessories)