Features: brand new and high quality How long should i use it - about- 20minutes/for time,it equals to 2000M running, 60 minutes of sit-ups, 60 minutes of free swimming, 2 weeks of diet. Hw to use?- to begin use spraying water on the gel pads and apply to your abs,then turn to desired intensity level. please read the instructions before use,tailored to fit the contours of your abdomen to stimulate all your major stomach muscles while being easy to use. This body toner machine is for muscle training and body slimming. It can help to tone, tighten and strenghten your body muscles, you can gain a better figure after consecutive use this product for about 2 months. When should i use it?- you can use this ems ab trainer any for time, anywhere. it's super light, ultra thin, wearable, and convenient to carry on. body fit pad can be worn unobtrusively under your clothes, making it for ideal for muscle training while reading, watching a movie or doing housework, or even during business or leisure. for Why choose this? - easy to use! designed with ergonomics targeting abdominal muscle exercise. fix the fitness gear to the position where you want to strengthen your muscle. just press the button to start the exercise. there are 10 modes and 39 intensities are optional to help fat burning and muscle growing. each ems machine can be adjusted individually. you can select different mode and intensity respectively to meet your desired muscle training effect. Specifications: Material:Plastic Tape:Abdominal Belt,Abdominal Belt+Arm Belt Package Size:2215.57.5cm/8.666.102.95inches Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item. Package includes: 1 Set Muscle Stimulator