Versatile training tool for poolside rehabilitation and outdoor group workouts Uses water resistance to provide adjustable load during strength and endurance training Builtin hydration capacity with quick access for on the go fluids during sessions Ideal for fitness enthusiasts, patients, and outdoor athletes Suitable for people seeking effective strength building and hydration management in one compact solution Supports progressive loading for a wide range of fitness levels and therapy needs Five color options for an active lifestyle Five color choices to match preference Durable construction designed to maintain structural integrity in a 040°C environment Multifunctional and adjustable weight for pool workouts Adjustable capacity from 500 ml / 1 lb up to 2500 ml / 5 lbs Combines hydration and resistance training to enhance pool based workouts Use scenarios Pool workouts: perform resistance training and cardio routines in water with adjustable load for scalable intensity Rehabilitation and therapy: progress safely through gradual increases in resistance in a supportive aquatic environment Outdoor group training: support circuit classes or outdoor sessions with a single device that manages both hydration and resistance needs Specifications and performance highlights Function: adjustable water resistance dumbbells with integrated hydration capability Compatibility: suitable for poolside, rehabilitation, and outdoor training environments Size and capacity: adjustable from 500 ml (1 lb) to 2500 ml (5 lbs) Temperature tolerance: effective in environments from 0 to 40°C Material and durability: designed to maintain structural integrity under workout conditions without specifying proprietary materials Note: This description preserves the stated features and use cases, presenting them in clear, customerfocused language for straightforward comparison and decisions.