Effortless wind speed control Rolling button design lets you quickly adjust wind from a light breeze to strong wind, matching any outdoor condition without guesswork. Flexible airflow and compact portability 180degree angle control and a flexible folding design enable precise direction and easy storage, making it suitable for a range of activities and compact enough to travel with. Clear, ataglance battery and performance status definition LED digital display provides wind speed and battery level information, helping you manage power with the builtin battery reminder function. Longlasting power for outdoor use USB charging design supports convenient recharging, delivering up to 12 hours of continuous cooling for extended outdoor comfort. 23 practical use scenarios Outdoor activities: hiking, camping, or watching a game in hot weather, where quick wind adjustments and reliable battery life improve comfort. Travel and commuting: portable, USBrechargeable cooling on planes, trains, or in transit, with a clear battery indicator to plan recharges. Desk or onthego use: light, foldable design for easy placement at a workstation or in a bag during daily errands. Key attributes at a glance Function: precise wind speed control, 180degree airflow adjustment, folding design for versatility Compatibility: USB charging for convenient recharging from USB power sources Size and portability: handheld and foldable for easy transport and storage Performance: up to 12 hours of continuous cooling with realtime wind and battery readouts Reliability: battery reminder feature helps prevent unexpected power loss