Basic functions: automatic flip-on pairing + master-slave switching + binaural HD call
 

 Charging box battery capacity: 300mAh (with IC protection board)
 

 

 Headphone battery capacity: 30mAh
 

 Use time: 3-4H
 

 

 Charging time: 1H
 

 

 Transmission range: 10-15 meters
 

 Conventional colors: white, black, pink