Mini desk fan, small silent USB fan, 4000 mAh rechargeable battery, 4 speeds, portable table fan for home, office, travel

【4 Speed Settings & 90-Degree Tiltable Head】The OCOOPA desk fan offers four speed settings: natural, sleep, neutral, and strong, providing you with more options for different temperature environments. The fan's 90-degree tiltable head allows you to customize the airflow angle. You can tilt and adjust the fan head in any direction. 【12-Hour Battery Life & Cordless Operation】This USB desk fan uses an upgraded 4000mAh battery. It can run for 3.5 to 12 hours on a full charge, making it suitable for both office and home use, as well as for outdoor use. The fan can be used even when unplugged, making it a convenient gadget for both indoor and outdoor use during hot summer weather. It can also be used while charging. 【Removable Fan Cover and Long-Lasting Battery】 The removable front cover of this personal fan makes cleaning much easier. These mini personal fans meet international voltage requirements and feature an integrated, optimized PCB chip that provides overcharge and over-discharge protection, overheat protection, and more, ensuring battery life and preventing short circuits and other safety hazards. 【Super Quiet and USB Connected】 Our quiet desk fan can be charged via any USB power source, such as a power bank, laptop, desktop computer, adapter, wall charger, etc. The high-speed, low-noise brushless copper motor design makes this portable fan ultra-durable and won't disturb your work, studies, sleep, or yoga. 【Portable and Safe】 The mini desk fan measures 13.8 x 7.5 x 18.3 cm and weighs only 296 g. High-density grid cover; the distance between the front grid cover and the rear grid cover is only 4 mm, making it difficult for even children's fingers to reach, thus ensuring greater safety.