16 bidirectional kneading massage nodes 3 massager intensities for relaxed to vigorous muscle stimulation Optional heat mode for soothing pain relief Cordless, portable design with up to 80 minutes of use on a single charge Easy-to-use control panel Comfort handles with arm loop to control massage pressure 15-minute auto-shutoff Includes USB charging cable Specs: Input – 5V/2A; Power – 25W; Battery – 2000mAh; Charging Time – 3.5 hrs.