The Recovapro compression system, primarily the Recovapro Air, uses inflatable sleeves and a control unit to provide customizable pneumatic (air) compression to the legs, mimicking the body's natural muscle pump to boost circulation, flush out metabolic waste (like lactic acid), reduce inflammation, alleviate delayed onset muscle soreness (DOMS), and speed up muscle recovery for athletes and fitness enthusiasts. Battery or mains operation with 2 leg sleeves and one arm sleeve Everything like new .. Would normally cost over £800 with arm sleeve