Features:

• 【BUILD IN 5200MAH BATTERY AND LONG-ENDURANCE】The new built-in battery design allows you to use it outdoor without need the USB charging cable. 5200 mAh built-in battery provides up to 16 hours of continuous use, and the 5V 1A USB cable included allows charging via laptops, chargers, power banks, etc.
• 【THE ONLY 4 SPEEDS METAL FRAME FAN ON AMAZON】Easyacc 8 inch desk fan are the only 4 speeds adjustment metal table fan on Amazon. Speed 1 for 16 hours,Speed 2 for 12 hours,Speed 3 for 9 hours, Speed 4 for 6 hours. This Biggest EasyAcc battery fan is larger than most of the usb desk fans, also have 4 speeds with strong, wide-reaching wind, suit for hot summers and multiple people demand.
• 【NEW UPGRADE QUIET BRUSHLESS MOTOR WITH LOWER POWER CONSUMPTION】With the newest power technology, the motor operates quietly and steadily, providing continuous wind. Even at its fastest (speed 4), the sound level is still below 40 decibels. Enjoy peace and quiet during every moment, and work, study, or nap undisturbed. Lower power consumption and environment-friendly and energy saving.
• 【ADJUSTABLE 360° ROTATING HEADS AND METAL FRAME CONSTRUCTION】The battery fan can be rotated 360°, allowing multi-directional cooling and the circulation of air. Drop- and crush-resistant metal frame along with slip- and vibration-resistant silicone pads reduce noise. Except standing on table, it can be hang on clapboard of bed or elsewhere, occupying less space.
• 【2 YEARS SECURITY】This mini USB desk fan only consumes 5 watts per hour and saves approximate 95% power than traditional AC table fans. ★NOTE: EasyAcc provides a 2-year security from the date of purchase that includes free returns and/or a full refund, and friendly customer support.

Package Dimensions: 9.9 x 9.9 x 5.6 inches