... Talk Button, MIC, LED Indicator, Mini USB Input, Speaker, Volume -/+, Brightness control -/+, Antenna, Power ON/OFF Switch , Work Light, Charge ... - Camera Sensor - CMOS - Light Source - Six (7) Infrared LED lights - Power Source - AC Adapter (100-240V) 50/60Hz - ... , Call button , Speaker, USB interface for charge , Power switch , ‘Pairing’ button, Indicating light for low voltage , Indicating ...