Smell for the first use time? 

This heater for desk was verified with ELT standard. It's produced with high quality fire-proof plastic material. For the first use time,if you smell some plastic odor, please don't worry. It's normal for such hot air product. You can turn it on hot air under the good ventilation room for 2-3 hours or above each time. The odor will become small and small, and disapper after 2 days. 

Want to remove the sticker on side?

1) Turn off and unplug the unit; 2) Use a hair dryer to keep blowing hot air to the label one minute; 3) then tear off it carefully. Search "how to tear the label on P710" on youtube for reference.