Features: 1. Quickly blends beverages without the effort of shaking or stirring. You will no longer have to worry about getting to the bottom of your hot chocolate or soup and finding thick remnant goop. 2. Using smart black technology just remove the magnetic beads from the lid and place them at the bottom of the cup. Press again to stop stirring. 3. Featured with advanced self-stirring tech press the automatic stirring button on the cup and the propeller at the bottom will rotate to mix the solute and solvent particles into a lovely foam. If you press the button once again it will stop stirring. The operation is very simple. 4. Save your time and free your hands. Our stainless steel coffee mug can be used as a regular water mug if stirring function is not required. When stirred there is no residue at the bottom of the cup. 5. The automatic mixing cup adopts the design of fixed rotor. When adding boiling water or rotating the rotor will not deviate from the center which can avoid the risk of accidental eating. Notice: *Actual color may be slightly different from the image due to different monitor and light effect *Please allow 1-3cm deviation due to manual measurement Description: Capacity: 380ml Size: As the picture shown