Product size: 118*59*42mm.Product weight (bare metal): 177g.Product weight (including packaging): 230g.Features:1: The hose can be stored, compact and portable.2: Polymer lithium battery, safer and more assured.3: Brushless motor, strong wind.4: One-key operation, 3-speed adjustable air volume.5: Aromatherapy function, essential oils can be added to the air inlet.Product parameters:Rated input: DC5.0V/1.0A.Working current: 0.25-0.9A.Rated power: 4W.Battery capacity: 1600mAh.Battery life: about 6 hours for 1st gear, 3 hours for 2nd gear, 1.5 hours for 3rd fan. Charging time: about 3 hours.Product material: ABS/silicone/electronic components.Details of accessories included with the product: fan host*1, Type-c charging cable*1, Chinese and English manuals*1.Product operating instructions: Fan function: press the switch once to start the 1st gear, press the second switch to start the 2nd gear, press the third switch to start the 3rd gear, press the fourth switch to turn off the power. The above cycle; Indicator light The fan working status indicator lights up blue, the charging status indicator lights up red, and the fully charged indicator lights up green.