Specifications
25
Specifications
Microphone Specifications
Microphone Unit
Directivity
S.P.L
Impedance
Frequency Response
Operating Voltage
6.5mm
omnidirectional
-58±2dB
≤2.2KΩ
10Hz-20,000Hz
4.5V
Speaker Specifications
Speaker diameter
Impedance
Sensitivity
Rated power
Maximum power
Frequency response
40mm 
64Ω
103±3dB at 1KHZ
20mW
50mW
15Hz-20,000Hz
Power Specifications
Battery type
Charging connector type
Run time
Standby time
Charging time
Built-in 400mAh Lithium-polymer 
rechargeable battery
Mini-USB
Up to 18 hours of talk or music
playback time
Up to 250 hours
2 – 3 hours
Operating Conditions
Operating temperature
Storage temperature
-10 
o
C to 45 
o
C
-25 
o
C to 60 
o
C










