User's Manual
11
• Clean the OTTO
®
Speaker Microphone only with a dry cloth.
• Do not clean the speaker microphone when it is being charged.
Always unplug the charger rst before cleaning the speaker
microphone.
• Do not use abrasive cleaners to clean your speaker microphone
because this could cause scratches and damage.
CARE AND MAINTENANCE
SPECIFICATIONS
• Compatible with a growing number of two-way radios,
smartphones and tablets
• Battery discharge time is approximately 12 hours with an 80-
10-10 duty cycle
• Noise-canceling Speaker Mic Sensitivity @94 dB SPL: -35 dB
Typical.
• Bluetooth
®
operating range: 10 meters
• Bluetooth 5.0 wireless communication standard
• Meets MIL-STD-810 for high performance in harsh
environmental conditions including 40 mph blowing rain
• PTT switch life: 200,000 cycles
• Operating temperature: -4°F to 140°F (-20°C to 60°C)
• Storage temperature: -40°F to 158°F (-40°C to 70°C)
• 1-year warranty on battery; 2 years on speaker microphone
Bluetooth
®
REVO NC2
™