User's Manual

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.