Elechomes EH101 Rechargeable Operated Clip on Mini Desk USB Fan for Home Office Baby Stroller Car Laptop Study Table Gym Camping Tent, Black 2-in-1: Conveniently use it as a table or clip-on fun, cooling you down everywhere due to portable mini design Adjustable Wind Speed: Stepless adjustment for diverse wind strength selections, easy to operate via a turning gear. Optional Airflow Angle: 360 vertical rotation of fan and 360 vertical rotation of bracket can read any blind corner. 2 Powered ways: USB powered or Replaceable and rechargeable 2200mah 18650 battery ( included ) powered, just use it at will Sturdy Design: The strong & sturdy grip clamp keeps this fan firmly in place, endures repeated operation without break