JISULIFE upgraded version 4500mAh handheld mini fan, battery life 20-37 hours. 3 Speed & Foldable design, 3 IN 1 Pocket Fan, press and hold the power button to turn on the flashlight, and it can be used as a backup power bank to charge your devices wherever you needed.Your best choice for summer. | Jisulife | | 3 In 1 Handheld Fan with 4500 mAh | 20-37 Working Hours |, with Power Bank, Flashlight, Foldable Pocket Fan for Trave | Pink | Best Buy