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 LED Display & 6 Speeds: LED display for real-time gear and remaining power display.
It can be held in hand placed on a table or hung around the neck with the provided string for convenient travel One-Button & Backup Power: Foldable hand held fan with one-touch air volume adjustment doubles as a mobile power source for emergency charging of
