Numbers of wireless channels:
7 channels for closed captions, 7 channels for audio
Audio selection:
HI audio/VI-N audio
Adjustments/Settings:
Volume (50 levels)
Battery Life:
Approximately 6 hours at shipment. Longevity decreases through charging/discharging. Longevity will decrease to approximately 3 hours after 500 charge/discharge cycles
Operating Humidity:
10% to 85% (no condensation)
Storage conditions Temperature:
-20°C to +60 °C (4 °F to +140 °F)