■
Basic Specification
Cable Length
:
610mm
Weight
:
14. 3g
(
bare unit without packaging
)
Charging interface
:
Micro USB
Button
:
three
(
previous/volume up + next/volume down + power button
)
Battery Specification
:
3.7V/55mAh*2
Charging specs
:
Micro USB
Charging input
:
5V/1.0A
Charging indication
:
Red LED light is on all the time
Charging time: around 2 hours.
Successive talking time
:
about 5-6 hours
Volume control
:
16 ranks, 3dB variation in each rank
Battery indication during working period: 100%-15%: blue LED light indicates the working status;
15%-5%: Red LED light indicates working status; Below 5%: Red LED light blinks quickly.
Working temperature
:
-20
~
70
℃
during charging period.
Storage temperature
:
-40
~
80
℃
■ Speaker and MIC
Speaker diameter:Φ10mm
Impedance: 32Ω
S.P.L:110dB S.P.L.at 1KHz
Rated power: 100mW
Frequency Response: 100Hz-9000Hz
MIC type
:
Capacitive
Microphone Unit:Φ4*1.5mm
Sensitivity
:
S.P.L:-42±3dB
Impedance:≤2.2KΩ
Frequency Response: 30-16,000HZ
Operating voltage: 4.5V