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Technical Specification
Feature
Transmission Frequency
Range
Battery
External Power Supply
Recording Time
Battery Life
Battery Charge Time
Question
I cannot receive or make a
call from my phone.
I have ended my call, but
the phone is indicating the
call is still connected.
Audio quality is poor.
Specification
2.4GHz
50m (outdoor typical)
3.7V - 300mAh Li-Polymer
DC 5V
10 seconds
Talk Time - 5 hours
Standby - 30 hours (typical)
3 hours
Answer
Ensure the phone is switched on.
Ensure you and the phone you want to
connect to are in range.
The battery is discharged. Recharge
the battery.
Reset your phone - slide the ON/OFF
switch from On to Off, wait 10 seconds
and then resume normal use
The mobile phones are out of range.
Move closer to improve the signal quality.
Recharge the battery.
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