WHATOOK Large Travel Desk Fan: 10000mAh Battery 40 Hours Runtime Silent Rechargeable Fans, Quite Personal Portable Fan for Camping Bedroom Office Small Desktop fan (8.3 * 7.1inch Black) (Black)

Long Battery Life & Strong Airflow: 10000mAh rechargeable desk fan supports up to 40 hours runtime, with 8.3*7.1inch body and 5.1inch large blades for powerful personal air cooling at home, office and travel. | Quiet & Auto Screen Off: Ultra-quiet operation with 15-second auto screen off, perfect for bedroom, office, cruise, camping, tent and outdoor use without disturbance. | 2A Fast Charge & Output & Easy Clean: Supports 2A fast charging and output, detachable design with included accessories to prevent parts loss, ideal travel essential. | 100 Wind Speeds & Battery Display: Knob & quick-press speed control (1-25-50-75-100), real-time battery indicator and side anti-mis-touch switch for safe and easy operation. | Versatile & Reliable: Portable electric fan for desktop and hanging use, works as an efficient air cooler and ventilator, backed by 1-year after-sales service provided by WHATOOK.