① Working PrincipleWhen you smell something through the nose, it will reach the olfactory center of the nose through the throat and display it as taste in the brain. We can use our sense of smell to experience the one of the 7 flavors from the aroma ring. ② Leak and Dustproof DesignOur air water bottle is designed with your convenience in mind. The safety lock and flip cover keep dust out and prevent spills, making it suitable for the gym, office, and outdoor recreation. ③ Leak-Proof Safety DesignJust click the button to open the water cup with one hand for easy use. The flap is equipped with a safety lock to prevent accidental opening, dust and leakage, even if the water bottle is tipped over. ④ Air WaterAir Bottle so you only need to drink water to enjoy different flavors,Spice capsules do not add sugar or chemicals,suitable for fitness lovers,Spice capsules in different flavors allow you to enjoy all the benefits of drinking water,but it gives a more delicious experience. ⑤ Wide Range of UseThe mouth of the water bottle is wide, it's easy to add ice cubes. It is convenient to connect this plastic water bottles to your backpack, bike, or travel bag. Ideal