Description :USB Portable Mosquito Repellent Mini Electric Hanging Essential Oil Anti Insect Home Mosquito Dispeller- The outer plastic is made from flame-retardant ABS material & is made from food grade liquid silicone parts, which is safe & non-toxic.- 5V DC safe voltage, energy saving. Use the USB (Universal Serial Bus) dedicated cable to connect directly to the mobile phone charger, charging treasure, etc.- One-button switch control, easy to operate, quiet & low noise.- With 10ml green mosquito repellent essential oil, without CDC, FDA, AAP, etc., can drive common mosquitoes Usage Instructions: Used in conjunction with pure natural plant repellent essential oils 1. Press the machine ear switch button, the machine starts working; press again, the machine stops working (the working color, the lamp bead is green)2. Open the silicone plug of the machine & take the essential oil into the felt ring. For the first time, it is recommended to drop 15 drops of essential oil. It is recommended to take 12-15 drops for 8 hours, & 7-8 drops for 4h. The dosage can be adjusted according to personal preference & length of use. The maximum load capacity cannot exceed 25 drops 3. The battery is low, when the battery needs to be charged, the fan stops working, the indicator light goes out, press the button, the indicator light flashes 2 times, no power on 4. When charging, the indicator light shows green as a breathing light, it takes 2-3 hours to fully charge, & can work for 8 hours when fully charged. Precau