Wellcare Pumping Hand MassagerSpecifications:Battery capacity: Lithium 3.7V 2500mAhCharging voltage and current: DC 5V, 0.5AMax. power consumption: 2.5WMax. power consumption: 9WMax. power consumption : 2.5WWeight: 980gDimensions: 303W x 120H x 160DFeatures:Pumping Hand MassagerPortable design Built-in rechargeable batteryBuilt-in heating function Relieve pain and discomfort in your hands 6 built-in massage modes Adjustable intensityWhat’s in the Box?:1 x WellCare Pumping Hand Massage