User's Manual

1. Unauthorized repairs ,misuse, collisions, negligence, abuse ,exposure of
product to moisture or water, accidents ,alteration, improper use of
accessories, tearing or alteration of stickers or anti-counterfeiting
marks.
2. The validity period of the warranty has passed
3. Damage caused by force majeure, damage or malfunction caused by
problems other than the design ,technology, manufacturing quality of
prouduct.
FCC Warning Statement
Changes or modifications not expressly approved by the party responsible for
compliance could void the users authority to operate the equipment.