Instructions: Step1: Fully charge before first usage(Indicator light turn to green).Step2: Open the backside cover and take out the sponge. (Rinse sponge with detergent before first usage).Step3: Wet the sponge by soaking in water for 1-2 mins、 make sure no overflowing. Put it back into the mini cool. You can enjoy cold wind now. Tip: Add a drop of essential oil or perfume to sponge will make you feel cool and relaxed. Net Weight: 210gDimension(LxWxH): 113.12 x 63.51 x 35.13mm/0.39'' x 2.50'' x 1.38'' Package included: 1 x Fan1 x Carry strap1 x Sponge1 x USB Cord Notice: Due to the light and screen differences、 the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid.