SWEETFULL Handheld Fan, Portable Fan, 5000mAh Rechargeable Battery, 6 Speed Wind, LED Display, Personal Mini Travel Fan with Backup Power, Hand Held Fan USB Foldable Electric Fan for Women Girl
Long Working Time & Ultra-Quiet: Handheld fan with built-in 5000 mAh large-capacity battery, can work continuously for 5-20 hours (depending on the gear). It only takes 2.5 hours to fully charge. Noise level is <15dB, ultra-quiet.