The customer comes first! If you have any dissatisfaction with the product, we support full refund within 30 days! Lazy Automatic Stirring Cup USB Coffee Cup Fully Automatic Stirring Cup 450ml Stirring Cup Features: GOOD QUALITY MATERIAL: Protein shaker bottle is made of quality material, no odor, no liquid, with leak-proof design, completely sealed, the drill won't leak, easy to carry. AUTOMATIC STIRRING CARTRIDGE: With the push of a button, you can have a cup of coffee in no with this easy-to-operate mug; the convenient-locking mechanism locks the mouth of the mug tightly during stirring to avoid spills. REECHARGEABLE DESIGN: The electrodynamic vibrator has a built-in lithium battery that provides a powerful kick. Comes with a USB cable for convenient charging in a tablet or any electronic device with a USB port. SMALL & PORTABLE: Protein mixing bottle is lightweight and portable, easy to carry to the gym, office travel, great for mixing protein shakes, coffee, milkshakes, blends, meal replacement drinks, creatine and other powdered supplements. Simply add the right amount of warm water and detergent, rinse it off after a few seconds and you're done. GIFT: Whether you are giving it to someone or a family member, it is practical and can be used not just as a drinking cup, but also has more functions. Product Description: Function: Sealed and leakproof Structure: layer Capacity: 450ml Package List： 1* cup 1*Data cable Viflosae Lazy Automatic Stirring Cup USB Coffee Cup Fully Automatic Stirring Cup 450ml Stirring Cup Electronics Gadgets Up to 40% Off GOOD QUALITY MATERIAL: Protein shaker bottle is made of quality material, no odor, no liquid, with leak-proof design, completely sealed, the drill won't leak, easy to carry. AUTOMATIC STIRRING CARTRIDGE: With the push of a button, you can have a cup of coffee in no with this easy-to-operate mug; the convenient-locking mechanism locks the mouth of the mug tightly during stirring to avoid spills. REECHARGEABLE DESIGN: The electrodynamic vibrator has a built-in lithium battery that provides a powerful kick. Comes with a USB cable for convenient charging in a tablet or any electronic device with a USB port. SMALL & PORTABLE: Protein mixing bottle is lightweight and portable, easy to carry to the gym, office travel, great for mixing protein shakes, coffee, milkshakes, blends, meal replacement drinks, creatine and other powdered supplements. Simply add the right amount of warm water and detergent, rinse it off after a few seconds and you're done.