Four Adjustable Weights: This adjustable dumbbell set offers four weight modes, allowing you to adjust the weight of each dumbbell to 2.2 lbs, 3.3 lbs, 4.4 lbs, and 5.5 lbs (a pair weighing 4.4 lbs, 6.6 lbs, 8.8 lbs, and 11 lbs respectively). Whether you're a beginner or a seasoned trainer, this adjustable dumbbell set offers the most scientifically sound weight training options. Anti-Drop & Quick Adjustment: The weights dumbbells set features a unique dual-button weight adjustment mechanism. Press both buttons simultaneously for a one-second quick adjustment. High-strength safety slots ensure the hand weights remain stable during use, eliminating concerns about weight plates detaching during vigorous exercise. Anti-slip & Flat-Lay Design: The adjustable weights feature handles with anti-slip vertical grooves for a secure grip during intense workouts or sweaty palms. Its flat-lay design prevents rolling when stored, making it easy to organize and use. Lightweight