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FAQ :
1,Can not power on
It might low battery, please try again after charging for 3 hours.
2,No sound
Please check if the speaker mic have connected to the device or the volume too low?
3,Speakers have feedback sound during direct intercom
The speaker volume tuned too much high, or the distance between two intercom user is too much close.
4,Disconnect with mobil e ph on e , Bt Adapter/dongle
Make sure if it is low battery, if not, the distance between the speaker mic
and mobile phone within 10m? Or between them exist obstacles that absorb
frequency signals like metals or water?
5,Can not pair with mobile phone
Clear all the pairing information according to user manual, and then put the speaker-mic and mobile phone together within 1m and try to pair after
entering password “0000”.
6,Fail to c onnect wit h mobile phone
Please make sure the mobile phone support Bluetooth function and Bluetooth HFP related protocols.
7,Fail to re-connect or automatically re-connect with mobile phon e
First make sure your Bluetooth function in in your mobile phone have been turned on, then remove all the matching infor mation accordi ng to
Bluetooth hea dset ma nual as we ll as that of your pho ne. Then tur n of f your m obile phone , take out the batt ery f or severa l seconds, restar t mobile phone an d
pair with Bluetooth speaker-mic and set th e headset read as “default/tr ust/test/permit auto matically connection/always visible/allow to be found” device,
and further e nsure that t he phone prompt tone is not vibrating mode (because the vibrati ng i mpulse wav e w oul d interfere w it h Bl ue tooth frequenc y signal
sometimes), then rep air and connect with your mobile phone. For android system, please make sure in the Bluetooth Speaker-mic device option list, you
have both “Phone” and “Media” options selected.
8,System halte d
The system halts when strong radio frequency interf erence occurs. Like when near by high power TV transmitting tower, GSM base or airport radar, the
speaker-mic may die. It can b e r estored short press the reset port by an tooth stick or small pin.
9,Abnormal instruction of Charging indicato r
1) When the speaker-mic haven’t been used for long time or overused, it need to be pre-charge for an hour, then pull out and in the charger, it will
indicate normal charging. Pleas e don’t count the pre-charging time into no r mal ch arging time.
2) Try another charging line or charger.
10,Whether or not Support using while charging
Use while charging is not reco mmended;
11,Compatibility with other chargers
Cigarette ligh ter charger of the car or motorcycle, emergency battery pack or other type charger might be used for charging as long as their actual output
voltage is between 5V to 6V and have the same plug style and power source positive and negative pol arities with our initial charger. However the user will be
responsible for the risk of using other chargers and we don’t guarant ee the effects.
12, Wrong operation into factory test or USB upgrade mode
The BT Speaker-mics light indicator flashes abnormally and can’t power on after wrong operation into factory test or USB upgrade mode. User must short
push the reset port to reset the device.
13,Please send back your BT Speaker-mic head set to our after-sales service de partment for help if above 1 to 12 suggest ions fail to solve your
problem.