Describe: 1. Easy to grasp, absorb sweat and do not slip, thicken about 2CM elbow pads, protect your joints and make exercise safer 2. The smart chip accurately counts seconds, and the strength makes the perception more effective, and the abdominal muscles are trained regularly every day 3. Enhance body coordination, strengthen transverse abdominal, support side kick knees, practice arm fat, say goodbye to butterfly sleeves, exercise chest muscles, back muscles, shoulder muscles, arm muscles, etc. 4. Strong grip without slipping, strong grip foot pads to prevent accidental slippage and ensure training quality Kind tips: 1. Due to the color temperature of the display, camera, ambient light, and photography skills, the pictures of some products may have a slight color difference, and the color is subject to the actual product 2. Please allow slight size differences due to different manual measurements. Product size: 42*32*18.5cm Product packaging size: 47.2*7*17.5cm Gross weight about 529g Timing range 00:00-99 minutes 50 seconds Power supply mode: button battery (already included) List: Plank Abdominal Muscle Trainer*1