Features: 1. Made of high quality material, reliable, safe to use and durable in use. 2. The lid has a straw hole for inserting the straw, easy for drinking. 3. Good sealing effect, easy to clean and wear resistant, suitable for stirring coffee. 4. Simply press the button to stir automatically, easy to operate and convenient to use. 5. No need of spoon any more, quickly stir cup of coffee, ideal for both home and office use. Specification: Condition: 100% Brand New Material: PC + ABS Battery: 2 * AAA Battery (Not Included) Color: Black, White (optional) Size: Approx. 19.6*7.6*7.6 cm / 7.7*3*3 in Package list: 1 * Stirring Cup (Battery Not Included) 1 * User Manual Instructions: 1. The stirring cup can stir no more than 300ml of liquid. 2. The stirring cup cannot be used to crush ice. 3. Cleaning: After turning the button to clean, stop turning to assist hand washing. 4. The switch part must not be wet. It can't be washed in the dishwasher. It can't be immersed in the water. Operating: Install the battery: Open the black rubber cover at the bottom of the cup body, insert 2pcs AAA batteries (1.5V) into the battery case correctly, and close the black rubber cover to area. Mixing method of grain powder: add water (120ml~250ml); press the switch button; pour the powder, stir evenly and stop. Check Method When the Stirring Cup Is Not Working: 1. Press the button and then use the hand/chopsticks to move the black blade in the cup. 2. Check if the battery has electricity. Note: 1. Do not use rechargeable batteries. 2. Children need to be under the supervision of an adult. 3. Different types of batteries or old and new batteries cannot be used at the same time. 4. It is recommended to use the recommended model battery. 5. When placing the battery, pay attention to the correct polarity of the battery. 6. When not in use, remove the battery in time to avoid corrosion caused by battery corrosion. 1、Made of high quality material, reliable, safe to use and durable in use 2、The lid has a straw hole for inserting the straw, easy for drinking 3、Good sealing effect, easy to clean and wear resistant, suitable for stirring coffee 4、Simply press the button to stir automatically, easy to operate and convenient to use 5、No need of spoon any more, quickly stir cup of coffee, ideal for both home and office use