1200-3300r/min muscle massage gun sport therapy massager body relaxation pain relief slimming shaping massager 4 heads with bag

material : mix size : medium application : body model number : muscle massage gun amplitude : about 12mm/0.47in gear position : 1-20 files speed : 1200-3300r/min charging voltage : 110-240v battery : rechargeable lithium battery 24v 2400mah use time : 5-6 hours charging time : 2 hours display : lcd digital display application : running, fitness equipment, sports trends, health massage