BURRKI Plug-in Heating Pad for Back Pain Relief, 47-60" Lower Back Massager with 3 Heat & 3 Timer & 5 Vibration

*Fits Waist 47-60 Inches: The back heating pad massager is designed to be flexible, accommodating waists up to 60 inches, and comes with an extension strap. It features two-way adjustable straps for a customized fit based on your comfort. The front Velcro uses ultra-high-density adhesive to ensure a secure connection, firmly gripping any part of the waistband, enhancing wrapping, and preventing slipping during use. *Two Power Supply Modes: This cordless lower back massager is equipped with a built-in battery, enabling you to enjoy heated massages anytime and anywhere. It can also be used with a mobile power bank to extend outdoor use time. Additionally, it supports wired use, eliminating the need to wait for charging. *3 Levels of Heating & 5 Levels of Vibration Massage: This back pain relief heating pad offers customized comfort with a heating temperature range of 113°F to 149°F and 5 adjustable vibration intensities. The heating and massage functions can be used together or sepa