Features: Hanging fans are Compact and lightweight, Soft wind with little noise, Safe to use and energy saving. Portable USB ceiling fan could directly connected with power bank(not included),Widely use in outdoor&indoor,RV ,travel tent ,gazebo,camp,garage,bedroom,etc. Powered by Laptop/PC/power Bank/USB charger/Wall charger with USB port,When installing the ceiling fan, you need to prepare a screwdriver yourself. Quality camping fan with 3 Leaves, good airflow, easy to install and dismantle,Great travel fan for cooling or beauty in hot weather activities such as sunbathing and camping. Small ceiling fan great for hot summer and windless day, also for dormitory bed or outdoor camping tents. brand new and high quality USB Powered on off switch speed control is more useful,one Speed Hanging Fan for Tent Home Dormitory Bed Camping Outdoor. Specifications: Powered by USB port Voltage: for DC 5V 2A Material: Plastic Output Power: 5W Fan diameter: 38cm/15inch Color: Blue USB Power cable totall length: about 300cm,500cm(optional) Package Includes: 1x USB Ceiling Fan(No retail package) note: No retail package 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!