Integrated Electric Pulse hand Massager

The wrist warmer pad is not rechargeable, no adapter or power bank included in the package Heating Levels and Auto Shut Off USB Powered for Easy Portability - The wrist warmer wrap comes with a 59 inch USB cable that works by simply plugging it into any USB power source with a 2A output; for example, a wall adapter, power bank or USB port. So you can use it while traveling, in the office, driving or at home