Portable Small Fan & Mini-Air Conditioner Humidifier Fans Snowman Cools Air Up to -1.1 Speed Adjustable Rechargeable Hand Desk Fan (pink) Small fan cools air up to -1.1. Runs on rechargeable battery or USB power. Adjustable analog speed control. 90 degree vertical airflow control. Flat bottom surfaces allows easy transformation from a hand held fan to a desk fan. This mini fan produces a 15 knots sensational breeze *measured at outlet vent. Simply add water to activate patent-pending cooling feature.Perfect for the Office, Home, Dorm, Game room,Car etc. Handheld Mini Air Conditioner Fan USB Portable Cooler Power supply choices: 4 x AA batteries, USB port, and power adapter. (batteries and adapters Not included) -1.130F reduction is possible Fan speed adjustable 90 degree vertical airflow control for optimal wind blowing.