A Moisture-infusing Hair Dryer. The double water ions* are deeply penetrated into your hair for lasting protection and a smooth shine. With tens of millions of negative ions*, this hair dryer can keep the natural moisture in the hair while also effectively reducing split ends and frizz, thus improving hair strength and making it more resilient. Upgraded Water Ion Deep Hydration Technology. *The built-in condenser* condenses the moisture in the air and two needle-shaped motors rapidly atomize it into tiny negative water ions. Through a separate cold-air channel, these ions are delivered directly to the hair, scalp, and root, which protects your hair from being damaged by excessive temperatures while also hydrating it. 20m/s* Ultra-high Airflow Speed Dries Your Hair Quickly Without High Heat. Inspired by the principle of aviation engines, Xiaomi Water Ionic Hair Dryer H500 is equipped with a DC high-speed motor with speed of 20,000 rpm and seven wing-shaped turbine blades, which generate airflow through squeezing the air out of a conical pressurized air duct. The highest airflow speed is 20m/s, allowing strong airflow to reach the root and dry your hair swiftly without any damage. Compact metal Body Fits in Your Toiletry Bag. The ultra-short cylinder is small and exquisite, making it a breeze to pack and carry when you're traveling for business or pleasure. Its compact and lightweight design won't tire out your arm after a blow-dry. The anodized aluminum alloy finish adds texture and attractiveness to the hair dryer. Smart Hot/Cold Air Alternating Mode to Prevent Hair Damage. The glass bead thermal sensor can accurately detect the air outlet temperature 60 times per second*, and adjust the airflow temperature in real time to avoid overheating your hair and scalp. Its hot/cold air alternating mode - hot air for quick drying, cold air for styling - not only protects the hair surface from getting scorched or damaged, but also moisturizes the ends and offers enough care for the sensitive scalp. NTC Smart Temperature Control. The NTC smart temperature control automatically adjusts the time interval between hot and cold air based on the detected ambient temperature, so as to provide comfort for the head while also maintaining healthy scalp and hair. 360° Rotation for Desired Styling. The 360° fully rotatable magnetic nozzle concentrates the airflow for fast drying and tailored styling. The dual-layer design also reduces the temperature of the nozzle and effectively insulates against heat. Aerodynamic Noise Reduction Less Noise, More Comfort. A rigorous dynamic balancing test is performed on each blade to ensure that the air is delivered more evenly. With an enhanced air duct design to minimize airflow resistance, it provides a more pleasant user experience by making the airflow softer but stronger and less loud. Adjustable Temperature and Speed for Multi-scene Applications. Three heat settings allow you to switch between hot and cold air, and two speed levels give you more control over the style of your hair. When the air temperature is adjusted to either hot or cold, the dual-color LED indicator light changes color accordingly. The temperature setting is kept and saved automatically for your next use. Multiple speed and heat settings are provided to make blow-drying and styling easier and more flexible. Multiple Overheat ProtectionKeeps You SafeWhen NTC detects that the air temperature is too high, it stops heating; the high-precision temperature control module will automatically cut off the power in the event of excessively high temperatures; fuse protection will be triggered when the temperature exceeds the safe range to ensure safety.