Principio Vocalism
Balanced Armature
Lugar del origen
Guangdong, China
Tipo De Wireless
Bluetooth
Longitud del cable
without
Estándar de Bluetooth
Ninguno
Wireless range
one for about 15m,and a set for about 5m
Battery capacity
40mAh for left and right one
capacity
750mah (Charging box)
work time
one for 3 hours,and a set for 2 hours
function
support one match two,connect two device , Built-in microphone