FLEX – Your Portable Pocket Gym Embrace the revolution of fitness with FLEX, the ultimate smart portable resistance training device. FLEX isn't just any portable cable trainer; it's your on-demand gym, ready to transform any space into a full-body workout zone. What makes FLEX different? Ultra-Portable: Weighs only 1.5 lbs for fitness on-the-fly. Smart Technology: Instant resistance control through our intuitive app. Expansive Exercise Library: Access hundreds of exercise demos. Custom Workouts: Load personalized programs for smart resistance adjustments. Variable Resistance: Offering 4-44 lbs of resistance, expandable by connecting multiple units. Versatile Training: Six training modes tailored to your workout needs. Anywhere Fitness: Achieve full-body workouts wherever you go. TSA approved.