describe:1. Convenient anti-aging technology that fits in the palm of your hand without any inconvenient wires or wires getting in the way2. Light weight, only 6.3 ounces, easy to operate3. Microcurrent therapy smoothes wrinkled skin, rejuvenating and tightening the face and neck4. Multiple modes to adapt to different skin types and usage conditions5. Can be charged using the included Type-C cable for easy useSpecification:Product name: Electric roller massagerProduct size: about 1057564mmProduct weight: about 170gProduct material: ABS, zinc alloyBattery capacity: 650mAhBattery used: lithium batteryCharging time: about 1.5 hoursCharger specifications: 5V/0.5APackage includes:1 x electric roller massager