|Bluetooth protocol:||HFP; HSP; A2DP; AVRCP; SPP|
|Music:||>12hrs in maximum volume|
|Working temperature:||-10 to 50℃|
|Storage temperature:||-25 to 60℃|
|Earphone jack:||3.5mm, PPT Supportive|
|SOS Button||SOS||Press and hold for 2 sec.|
FW Button ( valid in 30 sec. )
|Group switch page up||Single click V+|
|Group switch page down||Single click V-|
|V+||Volume up||Single click|
|V-||Volume down||Single click|
|ON / OFF||Turn on||Press and hold for 3 sec.|
|Turn off||Press and hold for 3 sec.|
|Answer the call||Single click|
|Hang up the call||Single click|
|PTT||Push to Talk||Push to Talk|
|Release to End||Release to End|
|Encryption||Encryption Type||To receive APP command when radio is on|
Power indicator ( red light )
|Description||Power indicator ( green light )|
|Power on||Red light on for 3 seconds then off||Power on||Red light on for 3 seconds then off|
|Power off||Red light on for 3 seconds then off||Power off||Red light on for 3 seconds then off|
|Under charging||Red light on||Bluetooth match||Fast-blink|
|PTT calling||Red light on||PTT called||green light on|
|Low battery||Fast-blink||Full charged||green light on|
|SOS||Green light on||Group Switch||Green light on|
Answer the caII
Press Power button to answer phone when Bluetooth microphone has been activated.
Double click Power button to decline when there is call in.
Hang up the call
Sing le click power button to hang up the call.
Mp3 play and pause
Single click power button to play or pause MP3 music when connected.
Auto hibernation starts in 15min. When Bluetooth microphone has not activated.
Bluetooth microphone supports PTT software such as Zello, Total control and etc. PTT button can be used when it is activated.
Single dick FW button with green light on and Single
dick V+/V- to switch group when Bluetooth microphone is activated for PTT software. End group switch by pressing PTT button.
Press SOS button and hold for 2S when Bluetooth microphone is activated for PTT software. PTT starts after red light turns on and alarm goes off. It lasts for 20s.
For Bluetooth microphone firmware upgrade, TF card and download box are necessary. Corresponding software must be installed to burn the firmware to TF card. Please connect download box and Bluetooth microphone with USB cable. Press and hold the reset button (under the battery after opening the rear cover) . Release reset button after the download box starts up. Successful download will be prompted in 10s.
Failed to power on.
It is probably low battery. Please charge for 2-3hrs.
Please check if volume sets too low. Please set the switch properly.
Echo with speaker
Speaker is too dose to MIC. Please relocate the speaker.
Disconnected with mobile phone.
Distance between Bluetooth microphone and mobile phone is over 10m. Shielding obstacle interferes.
Failed to match with mobile phone.
Clean up all matching information according to user guide. The Bluetooth microphone and the phone should be placed less than 1m and re-start the match.
It may caused by high-strength radio frequency
interference, such as GS M base station, airport radar and a high power TV transmission tower. Please reset and restart after leaving the interference source.
Abnormal working indicator
A. Overuse or long period of non-use may cause low battery. It need to be charged for an hour and unplug and recharge.
B. Change a charging cable or charger.
1x T320 Bluetooth Mic Speaker Microphone For Inrico T320 T298S
1x Blet Clip
1x USB Cable
1x AC Adaptor