I have kept these at home and have never used them outside. Two sets are included. Each set includes: main unit, charging cable, and instruction manual. Genre: Home Appliances JAN Code: Navy [HCF20-05GV NV]: 4562350975125 Pink [HCF20-05GV PK]: 4562350975132 Size/Capacity: Main unit size: Approximately 335 x 156 x 30mm (when open) Main unit weight: Approximately 0.156kg (156g) Package size: Approximately width 200 x height 299 x depth 51mm Package weight: Approximately 0.271kg (271g) Inner carton size: Approximately 650 x 210 x 310mm Outer carton size: Approximately 680 x 440 x 320mm Specifications: ■ Production area: China ■ Materials/Components: ABS resin, silicone ■ Package: Gift box Notes: Colors: Pink, Navy [Specifications] Power supply: 5.0V, 1.0A Built-in battery capacity: 1500mAh Charging time: Approximately 2.5 hours Usage time: Approximately 2-4 hours Rated power consumption: 4W Air volume: 3 levels Warranty period: 3 months from the date of purchase Set contents: Main unit x 1, USB charging cable x 1, instruction manual x 1, hair entanglement prevention net x 2 [Precautions for use] ・Do not let children use it alone, and do not use it where infants can reach. ・Do not use the USB cable or AC adapter if they are damaged or if the outlet connection is loose. ・Do not insert foreign objects, such as pins or wires, into the gaps of this unit. ・Do not damage, forcibly bend, pull, twist, bundle, expose to high temperatures, place heavy objects on, pinch, or modify the USB cable. ・Do not plug or unplug the AC adapter or USB plug with wet hands. ・Do not disassemble, repair, or modify. This may cause fire, electric shock, or injury. ・Insert the USB plug firmly into the USB port. ・If the liquid from the rechargeable battery gets into your eyes, do not rub them, rinse with water, and seek medical attention. ・In case of abnormalities (burning smell, smoke, etc.), unplug the USB plug and stop charging. ・Do not wash the unit with water or immerse it in water.