8 Modes: Hammer + Massager + Activation + Training + Kneading + Shaping + Squeezing + Patting (15 minutes' timing) Function: Stimulate nerves, acupuncture points, relieve pain, relieve fatigue Material: ABS+PU Leather Battery: 150mAh Controller Size: 6.5×6.5×1.5cm Size: 15×6.5×0.5cm Set N.W.：79g Package Size: 55.5×35×45cm (200pcs/box) G.W.：13kg Charging Voltage: 5V/2A Full Charged: 2H Duration: Approx. 90min Certificates: FCC, CE, RoHs