Operation Description

DATE : 2021-09-17
Equipment Autorisation Division
Federal Communications Commission
7435 Oakland Mills Road
Columbia, MD 21046
FCC ID: 2ARBY-LV600S
Product Name: Levoit Smart Hybrid Ultrasonic Humidifier
Request for Confidentiality
Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that
the following documents be held confidential:
 Schematics

Block diagram
 Operation description
These materials contain trade secrets and proprietary information and are not
customarily released to the public. The public disclosure of this information might be
harmful to the company and provide unjustified benefits to our competitors.
<Signature>
Name：Chris Huang
Title：Sr Manager, Product Compliance
Company：Arovast Corporation