Built-in large lithium battery, blow wherever you go, built-in large-capacity lithium battery, say goodbye to the worry of battery life, outdoor use, summer outdoor travel, constraints Good partner for camping, multi-functional camping fan, two modes of lighting + sleeping light, remote control and free switching Multi-directional angles, free wind direction adjustment, adjust the up and down, left and right, and switch freely at multiple angles. You can still feel refreshed and comfortable when changing your posture Noise reduction air duct technology, the wind is soft and the sound is light, which does not disturb your sleep. The noise reduction technology reduces the operating noise to 35DB, dispels the heat in your heart, eliminates anxiety, and falls asleep quietly Drop a few drops of essential oil, gently caress the mood and fill the room with romance.