Features： 1、Scientifically Designed: Equipped with an LCD screen, this muscle trainer offers 10 modes and 20 levels of training strength, catering to the needs of different muscle groups and varying muscle building requirements. 2、Easy Operation: Simply assemble the adhesive pads and apply them to your abdomen, waist, arms, shoulders, back, thighs, calves, or buttocks. 3、USB Rechargeable: Muscle trainer patch is USB rechargeable, enabling you to train, tighten, and exercise your body muscles for better shape and tone with prolonged use. 4、Effective Abdominal Training: Enhance muscle strength and reduce abdominal fat with muscle trainer patch. Experience the advantages of electronic acupuncture through its low frequency pulse technology, which simulates 10 basic acupuncture massage techniques with 20 levels of massage strength. 5、PU Leather Materials: Abdominal stimulator is made of soft and lightweight PU leather material, ensuring a comfortable fit against the skin. The gel pads have conductivity. Specification： Item Type:Muscle Trainer Patch Material: ABS, PU leather Battery Type: Lithium ion battery (built in) Battery Capacity: 3pcs 110mAh Use Scope: Fitness exercise, massage muscles, relax muscles. Suitable for arm, waist, leg muscle training. 10 Exercise Modes: Mode 1: Mixed workout mode; Mode 2: Fat warm up mode; Mode 3: Muscle warm up mode; Mode 4: Jogging mode; Mode 5: Swimming mode; Mode 6: Push up mode; Mode 7: Sit up mode; Mode 8: Barbell mode; Mode 9: Fat accelerated burning mode; Mode 10: Muscle strengthening mode. Characteristics: LCD screen display, 10 workout modes, 20 levels of training strength, USB charging, EMS microelectric shaping. Strength Level: 20 levels Automatic Timing: 20 minutes Package List： 1 x Abdominal Patch 2 x Arm Patches 3 x Main Units 1 x Instruction 1 x USB Charging Cable