User Manual

Q4New device can’t switch on.
A4Recharged at least 30 minutes before switch use.
*Warning
Sound Volume Warning
Long period or too loud may hurt hearing ability.
Disassemble or Modification
The M1-S PRO is precisely made in factory.Any disassemble or modification may damage the device,please
do not tear any of the safety regulation and serial sticker from the device ,that will void the warranty.Please
contact us directly if needed .
9.Statement / Warranty/After-Sale Service
9.1 FCC Statement
Changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device,pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation.This equipment generates uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications.