Slender tone core fit abdominal belt. Tone up anytime, anywhere. The ABS belt that comfortably tones and firms your abs, wherever you are. Unique ergonomic design with face up display featuring 10 toning programs and 100 adjustable intensity levels for a personalized workout. For all fitness levels from beginner to advanced. Eat right. Exercise. Slender tone. OLED Display - OLED (Organic Light Emitting Diodes) Display achieves a brighter picture quality than LCD Displays. Rechargeable controller - via USB charging cable in just three hours.Biomedical-tested fabric