Specification:Material:Polyurethane(PU)Voltage:3V DC(2 x AAA Batteries) not includeWorking Time:12 Minutes(Per installation time)Output Current:MAX 9.8mAPatch:17 x 19cmStimulator:7.5 x 5.8 x 1.8cmShoulder Stciker:20 x 7cmInformation:Shape design of bionic human abdominal muscle to fit belly muscle groupThe arm patch is designed to mimic the shape of a cicada wing and can be used to train muscles in the limbsThe patch has better skin - friendly performance with high grade soft puHigh quality silver screen printing is used to improve current conduction velocityLet more excellent durable performance of the patch using environmental protection non-toxic gelUsing advanced technology, scientifically exercising your muscles will not harm your bodyOperation:When it presses the "Power on"and "rising intensity" button and the lamp comes to dawn little by littleWhen it presses the : "Power off"and "down intensity" button and the lamp comes to dark little by littleButton for both "Power on"and "rising intensity" ,"Power off"and "down intensity"intensity divides with 10 classesNote:It's normal to feel a little flax during exercise. Don't worry.Package Included:3 x Stimulator2 x Abdominal Patch4 x Shoulder Stciker1 x English ManualNO Retail Box. Packed Safely in Bubble Bag.