[Powerful Wind with 6 Speeds] – Portable fan with 6 adjustable speeds, equipped with a brushless motor capable of generating a powerful airflow that cools you down in 2 seconds. Ultra quiet, the noise is less than 20 dB even at maximum speed, will not disturb you during work or sleep. [Long Battery Life] – 4000mAh rechargeable battery, providing a battery life of 5 to 16 hours (depending on the speed used). A full charge only takes 1.5 hours. In addition, it can be used as a power bank to charge mobile devices such as phones or laptops. [3-in-1 Multi-Function Fan] – This versatile fan can be used as a handheld fan, a desk fan thanks to its 180° foldable angle, or as a neck fan with the included lanyard. [Easy to Use] – One-button operation: simply press to turn on/off or adjust the wind speed. Perfect for the elderly or children. Equipped with a digital LCD screen to clearly display the speed and battery level, to avoid power failure. [Pocket Size] - Mini personal fan, only 18.3 × 9.2