High-Performance BatteryThe usb handheld fan is Built with 2500mAh premium rechargeable Battery CE Approved & ROHS compliant, safe, high-performance, efficiency, and environment-friendly. The battery exceeds 20% working time more than others, which offers you most continuous working time depending on different wind speed. You can bring this portable mini fan for camping, shopping, hiking, travelling, BBQ, gym, office, school... or other outdoor activities without worrying about battery.<br><br><br><br>Multi Charging WayThe USB electric fan can be recharged with USB charger plug, laptop, computer, power bank, car charger and other USB-enable devices. The rechargeable hand held fan is able to continuous work if it connects with a power supply. Separate base design. Place into the base, it can be a normal personal desk fan and phone holder. Mini usb fan takes 2.5 hours to get fully charged. When your mobile phone is out of power, this portable usb fan can also be an amazing back-up power bank!<br><br><br><br>Portable Mini Pocket SizeThe small size and light weight design is friendly for children and girls. 7.9 x 3.9 x 1.5 inch in size and 0.42 lb in weight, portable design for using outdoor. You can easily keep this portable mini hand fan with you at office, on the go or at home, and you can use it whenever you want. Our portable usb fan will not take up too much space to store. This simple and compact design is particularly suitable for summer travel or outdoor sports.<br><br><br><br>3 Adjustable SpeedsOur mini usb fan have 4 adjustable speeds which can be switched easily by pressing the button. 2500mAh Built-in Battery provides 2.5-5-10-12 working hours. 10-12 hours working time under low speed for a soft breeze. 5 hours under medium speed for cool wind, and 2.5 hours under high speed produces strong wind that help you cool down in seconds. Such a long using time so you can enjoy this portable hand held fan outdoor for whole day.<br><br><br><br>Perfect Gift Choice For Kids and WomenIn such a hot summer this cute rechargeable hand held fan will help you keep cool when you are travelling, hiking or camping outside and keep your face cozy. It is also a good helper for girls making up--you need a small portable hand held fan for drying nail polish, skin cream and spray. It is an ideal gift for kids, women and friends in summer, a very practical gift choice. Package list: 1 Mini Hand Fan; 1 USB Cable; 1 User manual.