Touch will stop and get stuck, safe and not hurting people, Motors made of copper are more durable, Comfortable wind and Silent, Quality assurance.Hanging fans are Compact and lightweight, Soft wind with little noise, Safe to use and energy saving, easy to install and dismantle.Portable ceiling fan, USB plug design, no built-in battery; can use power bank, USB charger, battery, mobile phone adapter, car charger, etc., as long as the USB interface (2A) can be used normally.Provide a variety of functions for its choice to meet the different needs of customers. The fan is large, the air supply is wide, the wind is soft, and it is more comfortable.6 blades, Ceiling fan swivel diameter 16.5 inches, a single blade is 6.7 inches long and 2.7 inches wide, Ceiling fan height 6.1 inches, Ceiling Fan Hook Height 1.8 inches, Comes with USB cable 69 inches long(Each variant has different line lengths, please see detailed parameters), 5W power.If you feel that there is no wind or the wind is very small, it may be because the fan blades are installed backwards or the hanging place is not fixed and reversed. For details, please check the FAQ provided in the product package! Product Description It is recommended to watch the video on the link in full, about 9 minutes long, but it will be of great help to your purchase and use! Dimensions and parameter information Diameter:16.5‘’　　　　　　　　　　　Single blade length:6.7‘’ Single blade width:2.7‘’　　　　　　 　Minimum starting current:2A Power:5W　　　　　　　　　　　　　 Voltage:5V Built-in wire length:70‘’ USB Ceiling fan(No Switch) No switch, requires power supply equipment to be de-energized or unplugged to stop operation！ Wire length 70 inches. USB Ceiling fan(Switch) Switch，An additional 40 inches switch extension cord，Connect the wires and control the fan switch through the switch on the wire. Ceiling fan built-in wire 70 inches plus 40 inches of switch extension cord, about 110 inches total. USB Ceiling fan(Speed and Timing) Speed and Timing, Additional 80" Speed and Timing Extension Cable, connect the wires and control the fan on/off, speed and timer off via the panel on the wires. The built-in cable of the ceiling fan is 70 inches plus an 80-inch switch extension cable, with a total length of about 150 inches. USB Ceiling fan(Speed,Timing and Remote Control) Speed,Timing and Remote Control, An additional 80 inches of speed and timing extension cable and remote control, connect the wires and control the fan on/off, speed and timer off via the panel on the wire or the remote control. The ceiling fan built-in cable is a 70" plus 80" switch extension cord for a total length of approximately 150". The remote control distance is about 120 inches. Simple description Applicable scene