Brand Name: YangChen Hign-concerned Chemical: None Operation Method: Belt Type Type of sports: Muscle Relexation Training Site: Waist Training Site: ARMS Training Site: Legs Training Site: Muscle Relex Apparatus Training Site: Waist & Abdomen Exercise Training Site: BACK Training Site: Hip Origin: Mainland China Application: Slimming Bandage Teaching Mode: Book Model Number: OUT39 Main Material Body: PET resin gel Use scenarios: work, homework, exercise, weight loss, running, shopping. How to use: 1-2 times a day, 20 minutes each time Features1: Electrostimulation, Fitness Trainer for Abdomen, Arm and Leg Pad: Polyacrylamide Package Includes: 3* Main unit, 1*Abdominal Belt, 2*Arm Stickers, 1* USB charging cable Features2: Abdominal Muscle Stimulator Gender:Adult,Men,Women Power source Input: 100-240V,50/60Hz Output: DC5V 1000mA Choice: yes semi_Choice: yes