TrekPow F10 Manual Del Usuario página 6

EN
4. Why the call volume gets smaller after using for
a while?
A
: Please check if the microphone hole next to
the knob is jammed. Please clean it before use.
5. Why devices can not be charged or charge
slowly?
A
: ① Please check if the USB cable is workable,
and connected well with the charger and your
device.
② The USB cable should be able to carry at
least 1A current.
③ Integrated car charger output 5V-2100mA,
and it is available for charging hand-held devices
in car.
Dimensions
Bluetooth Version
Weight
FM Frequency
04
Specifications
96*47*35MM
BT4.2
48g
76-108.0MHz