MobilitySound BTH-300-F Bluetooth Earphone with PTT for Walkie Talkie User Manual

BTH-300-F
User Manual

Product Descriptions

• Bluetooth earphone with PTT for walkie talkie
• Built-in PTT function button, Cell phone answer (reject) key, and Volume control button
• The Embedded 3.5mm jack is compatible with iPhone earphones and many other earphones.
• Long talk time, up to 10 hours.

Specification

Dimension: 65mm X 30mm X 12mm
Temp: -10℃±2℃ ~ 50℃±2℃
Approx. Weight: 21.6g (External earphone is excluded)

• Fully Qualified Bluetooth v4.0.
• Echo cancellation, noise reduction and extended features
• High Quality DAC
• 80MHz RISC MCU and 80MIPS Kalimba DSP
• SBC, MP3, AAC, Fast stream, APTX codec support
• RoHS compliant
• HSP, HFP, A2DP, AVRCP profile supports
• PTT function: built-in| • Talking Range: Bluetooth class 2, 10 meters
• Display LED: Blue and Red
• Power: Max 4dB
• Sensitivity: -90dB
• DC Input: 5 Vdc (std.)
• Standby Current: 6mA
• Battery: 190mAH
• Standby Time: 50 hours
• Talk Time: 10 Hours
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1. Microphone
2. 3.5mm earphone jack
3. Power and Pairing button
4. LED Indicator
5. Phone answering/ hang-up button
6. PTT button
7. Volume control buttons I USB jack Clip

BTH-300 State and LED Flashing Pattern

BTH-300 linked with cell phone

Press the TALK/END key| Blue LED flashes once every 6 seconds| If paired with iPhone, this will start/stop the music from playing
Music is playing, press the volume keys| Adjust the music volume of smartphone
Music playing, double press the volume keys| Skip to Next/Previous track
Linked with smartphone, press TALK/END key when an incoming call| Will pickup/End the call, the music will stop during the call and resume when call ends
During the call, press volume keys| Adjust the speaker volume of the cell phone
Standby mode, double press TALK/End key| Redial last number
BTH-300 linked dongle
Connection to dongle| Blue LED flashes once every 6 seconds|
PTT button pressed| RED LED continuous ON until PTT released|
Charging BTH-300
During charging| Red LED continuous ON|
Charging complete| No LED ON|
Low battery| Red LED flashes once every 6 seconds| With beep sound every 6 seconds
Volume Adjustment
Volume UP| | 5 steps in volume adjust when reaching the max volume, a long beep is heard
Volume down| | 5 steps, when reaching the min volume(Mute), a short beep is heard
Earphone
When a 3-pole earphone is plugged, only the speaker is switched to the earpiece, need to use BTH-300 built-in Microphone to talk
When a 4-pole iPhone standard earphone is plugged in, both speaker and microphone are switched to the earpiece, BTH-300 built-in microphone will not work.

BTH-300 External Audio Accessory (Optional)

Pair BTH-300 with a smartphone

1. Make sure BTH-300 is OFF, and press the power switch and hold for 6 seconds

2. BTH-300 is under pairing mode when you see RED-BLUE-RED-BLUE LED flashing.

3. Start the Bluetooth function on your smartphone.

4. Find the device name “BTH-PTT” or” BTH-300” under the Bluetooth column and connect it.
   1. Start Bluetooth
   2. Find the device BTH-300 and connect it

5. The pairing process is completed.

Pair BTH-300 with a dongle

1. Make sure both of dongle and BTH-300 are in off

2. Press and keep holding the PTT button on the dongle, and then switch on the radio and wait for few minutes

3. When you see 2 Blue LED flashes per second, release the PTT button. BT dongle is in pairing mode.

4. Press the power switch and hold for 6 seconds.

5. When you see RED-BLUE-RED-BLUE LED flashes, BTH-300 is in pairing mode.

6. Keep BTH-300 and BT dongle close and then wait for a few minutes. (Make sure other BT devices around you are not in pairing mode.)

7. BTH-300 successfully connects to the BT dongle when you see BLUE LED continuous lights for 3 seconds.

8. The pairing process is completed.

9. Press power switch button & hold for 6 seconds

10. Check if the LED is red and blue flashing alternatively

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