- Experience Smooth Protein Mixing: The Problend one-touch shaker allows you to prepare perfectly blended protein shakes in seconds—just push a button for a smooth and enjoyable shake without lumps. - Reliable Leakproof Design: Constructed from high-strength materials, the Problend one-touch shaker features a secure lid that prevents spills, making it the ideal shaker for workouts or daily use without the worry of mess. - Cordless Convenience: This portable blender cup is equipped with a built-in USB rechargeable battery, allowing you to mix your shakes anywhere—from the gym to the office—without the limitations of cords or outlets. - Quick and Easy Cleaning: Simplify cleanup with the Problend one-touch shaker, which rinses clean in seconds. Spend less time on maintenance and more time enjoying your favorite protein drinks. - Versatile Applications: Perfect for athletes needing pre- or post-workout nutrition, busy professionals preparing on-the-go meals, or anyone who enjoys a quick, nutritious shake at home or while traveling. The Problend one-touch shaker is your ultimate solution for effortless protein mixing, durability, and convenience—all in a compact and easy-to-use design.