Speaker
Speaker specifications/mode
Φ
9mm
Impedance
16ohm/type
Frequency (Hz)
20Hz ~ 20KHz
Sensitivity
93±3dB
Input power
2mW ( normal), 5mW ( maximum)
Microphone
MIC sensitivity
-42±3dB
SPL
130dB
Charging Case
Size
23.4 x 18.5 x 21mm
Weight
44.3g
Charging port
Micro USB
Battery
Li-polymer Battery 1000mAh 3.7V/3.7Wh
Input voltage
DC5V
Charging current
330mA
Output voltage
DC5V
Discharge current
160mA
Working temperature
-15°C~+60°C
Working humidity
10%-85% (varies according to temperature)