Inrico BT01 Bluetooth Microphone for T298s / T320


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Bluetooth version:BT4.2
Bluetooth protocol:HFP; HSP; A2DP; AVRCP; SPP
Transmission range:>10m
Music:>12hrs in maximum volume
Talking time:≈14hrs
PTT time:≈14hrs
Standby time:>90hrs
Working temperature:-10 to 50℃
Storage temperature:-25 to 60℃
Earphone jack:3.5mm, PPT Supportive
Charging time:2.5hrs

Button function

SOS ButtonSOSPress and hold for 2 sec.

FW Button ( valid in 30 sec. )

Group switch page upSingle click V+
Group switch page downSingle click V-
V+Volume upSingle click
V-Volume downSingle click
ON / OFFTurn onPress and hold for 3 sec.
Turn offPress and hold for 3 sec.
Answer the callSingle click
Hang up the callSingle click
DeclineDouble click
PTTPush to TalkPush to Talk
Release to EndRelease to End
EncryptionEncryption TypeTo receive APP command when radio is on

LED indicator


Power indicator ( red light )

DescriptionPower indicator ( green light )
Power onRed light on for 3 seconds then offPower onRed light on for 3 seconds then off
Power offRed light on for 3 seconds then offPower offRed light on for 3 seconds then off
Under chargingRed light onBluetooth matchFast-blink
PTT callingRed light onPTT calledgreen light on
Low batteryFast-blinkFull chargedgreen light on
SOSGreen light onGroup SwitchGreen 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.

PTT function

Bluetooth microphone supports PTT software such as Zello, Total control and etc.  PTT button can be used when it is activated.

Group switch

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.

Firmware upgrade

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.

No voice

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.

Low battery.

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.

System halted

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.

Package content:

1x  T320 Bluetooth Mic Speaker Microphone For Inrico T320 T298S

1x Battery

1x Blet Clip

1x USB Cable

1x AC Adaptor


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