ColourGray 1pcMaterialCottonPower sourceBattery Powerednumber : 2 Leg Wrap3 massage modes, horizontal and vertical two-way pressure, air pressure silent massage, lifting, pulling, kneading, pinchingleg massager around your leg, calves, or ankle, loosening stiff musclesrelieving fatigue, and improving circulation. 20-minute automatic shut-off is very suited for the elderly.The leg massager wraps can be adjusted via the Velcro, moreovereasily to change the wrap size and intensity to suit your legs.It can be powered by any usb device(5V/1A adapter). It will be a great travel companion with a power bank.The completely portable design allows the use of this leg massager at the gym, at home, or while traveling.The leg massager is a perfect gift for parents, family, friends, and elders. Also a perfect Mother's day gifts. If you have any problems while using it, please let us know.Note: Please do not use while chargingMake sure the controller has power. If the battery is dead, please charge.