350ml Foam Soap Dispenser USB Rechargeable Touchless Automatic Touch Free Sensor USB Charging Hand Wash Foaming Liquid Wahser|Liquid Soap Dispensers FIRST TIME USE: Carefully read the instructions in the user manual before first use. Turn on: Click the power button, the indicating LED will light for 1s Turn off: Click the power button, the indicating LED will keep flash for 2 times Charging: Breathing LED keep lighted Full charging: The indicating LED will keep lighted Lower battery: Indicating LED will flash for 10 seconds then the machine will be turned off automatically Foaming: Put your hand within a distance range of 0-70mm under the sensor area, the dispense will auto forming, each infrared sensing, the dispenser will make the same capacity of foaming