Purchased new several years ago. Used about 5 times. ★Set Contents: Abs Fit (1 unit) Body Fit (2 units) Genuine new pads, 4 packs Support belts, 3 - Brand: SIXPAD - Model Name: Abs Fit - Accessories: Instruction manual, pads - Colors: Orange, Black - Features: EMS training device ★The following is quoted from the TMG website. * Purpose: To intensively train abdominal muscles * Gel sheet replacement目安: 30 days * External dimensions: Approximately 173 x 198mm Body weight: Approximately 90g * Size (support belt): Approximately 100cm long x 12cm wide * Materials: Main unit: Silicone rubber, ABS, PET, elastomer, conductive silver/carbon ink Backing card: PET, PP, paper High-conductivity gel sheet: Acrylic polymer * Approximately 5 hours of charging allows for 30 uses. * Can be used daily. However, use only once per day per area.