Mini Portable Humidifier,250ml Small Cool Mist Desk Humidifier

[ COMPACT 250ML CAPACITY & MULTI-SCENE USE ] - Designed with a space-saving 250ml water tank and compact body (3.1" x 3.1" x 4.0"), this personal humidifier fits easily into car cup holders, office desks, and bedroom nightstands. Perfectly relieves dry air caused by indoor AC, heating, or long road trips. | [ USB ACCESSORY EXPANSION PORT ] - Features a top USB-A port designed to power mini USB accessories like a small flexible desk fan or LED night light attachment. Enjoy added multi-functional convenience right at your workspace. (Note: Strictly for low-power mini accessories; cannot be used for phone charging). | [ 2 MIST MODES & UP TO 8-HOUR HYDRATION ] - Easily switch between continuous mist (up to 4 hours) for instant humidity and intermittent mist (sprays 4s, pauses 6s, up to 8 hours) for prolonged all-night or all-day hydration without frequent refills. | [ WHISPER-QUIET & 7-COLOR AMBIENT LIGHT ] - Operates quietly at under 20dB to ensure a peaceful environment for sleep, study, or driving. Long-press the button for 2 seconds to activate the soothing 7-color changing night light, adding a relaxing mood to your bedroom or vehicle interior. | [ SMART AUTO SHUT-OFF & TAP WATER ONLY ] - Built-in automatic power-off protection turns off the device after 4 hours (continuous mode) or 8 hours (intermittent mode) to prevent dry heating. Powered via Micro USB input. Important: Use tap water only and soak the cotton swab in water for 12 minutes before first use. (Note: Corded design; non-rechargeable, must remain plugged into a USB power source).