BigFlow New-Generation Massager 8.4V Wireless Body Relax Muscle Touch Screen Fascial Massage Gun 1,Wave vibration massage helps to relieve muscle soreness and stiffness , especial for the sportsman and the patient ; 2,The speed intensity has 6 level from slow to fast , you can adjust what speed you want ; Deliver up to 3200 percussions per minute ; 3,4 rechargeable head attachments , you can choose which style you want ; 4,Promotes circulation and Improves range of motion and helps accelerate warming up and recovery ; 5,Using the brushless motor imported , it's the lowest noise in the world : only about 45 db ; 6,DC 8.4V , use 3pcs rechargeable lithium-ion battery ( Up to 4-6 hours of use per charge ) , 2000 mAh ; 7,The charging time is 3 hours , th working time is 4-6 hours according to different intensity ; 8,The touch screen for the new design , touch for several seconds for on or off . After opening , touch one time , increase one intensity . After 6 intensity , recycling ; 9,This beautiful design with our appearance patent ; 10,The booster X gift box and carton packing ; 11,The color is white \ black \ slivery \ red \blue or customized color and logo ; 12,The gift box : 31.2x22.5x7.5cm , G.W. is 1.4 kg ; One carton can hold 20 pcs . The carton size is : 33x47x39cm , G.W. is 29 kg .