The 19 Level EMS Electric Foot Massager Pad is a versatile massage mat specifically designed for EMS massage functions and pain relief. With a sleek black design, this unit offers 2 massage heads for targeting the foot area and improving blood circulation. The massager is powered by both battery and USB charging, making it convenient for use anywhere. With an impressive endurance time of 6 hours, this lightweight and silent massage mat also features adjustable table settings and is rechargeable for long-lasting use. Made in China, it comes with a manufacturer warranty of 3 years.