User's Manual
2
SAFETY PRECAUTIONS
Please read these safety warnings and cautions carefully
to ensure your personal safety and prevent property damage.
USE AND SAFETY CAUTIONS
• Do not drop, disassemble, open, crush, bend, deform, puncture, shred,
microwave, incinerate, paint, or insert foreign objects into the OTTO
Bluetooth
®
Revo NC2
™
Speaker Microphone. Such actions could result in
electric shock.
• Do not expose the speaker microphone to extremely high or low
temperatures or leave in direct sunlight for extended periods of time.
• Do not leave your speaker microphone near open ames such as cooking
burners, candles, or replaces. Do not dispose in a re. The battery could
explode, causing injury or death.
• Do not block any ventilation openings, which could cause battery hazard.
• Do not immerse in water. If accidentally immersed, wait until the speaker
microphone is completely dry before attempting to power on.
• Do not attempt to repair, modify or disassemble your speaker
microphone; it does not contain any user serviceable components.
• Dispose of the speaker microphone and the battery in accordance with
local regulations.
ELECTRIC SHOCK CAUTIONS
• Only charge the battery in temperatures between 32°F - 113°F (0°C -
45°C).
• Do not attempt to disassemble the speaker microphone or force open the
built-in battery.
• Do not charge the unit in damp areas.
• Do not attempt to replace your speaker microphone battery; it is built-in
and is not changeable.
• Be sure the USB port is dry before plugging in the charging cable.