Mobility Sound BTH-300 User manual

1
<Product Descriptions>
•Bluetooth earphone with PTT for walkie talkie
•Built in PTT function button, Cell phone answer
key, and Volume control button
•Embedded 3.5mm jack is compatible with
iPhone earphone 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 v5.0.
• 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
BTH-300-Qx

2
BTH-300

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BTH-300
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
playing
Music is playing, press the
volume keys
Adjust the music volume of
smart phone
Music playing, double press
the volume keys
Skip to Next/Previous track
Linked with smart phone,
press TALK/END key when a
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
<Nil>
PTT button pressed
RED LED continuous ON until PTT
released
<Nil>
Charging BTH-300
During charging
Red LED continuous ON
<Nil>
Charging complete
No LED ON
<Nil>
Low battery
Red LED flashes once every 6
seconds
With beep sound every 6
seconds
Volume Adjustment
Volume UP
<Nil>
5 steps in volume adjust,
when reach the max
volume, a long beep is
heard
Volume down
<Nil>
5 steps, when reach the min
volume(Mute), a short
beeps is heard
Earphone
When a 3-pole earphone is plugged, only 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, both speaker and microphone are
switched to the earpiece, BTH-300 built-in microphone will not work.

4
BTH-300
BTH-300 External Audio Accessory (Optional)
Bone conduction microphone with speaker : 300-TE01

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BTH-300
Pair BTH-300 with smart phone
1. Make sure BTH-300 is OFF, and press 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 Bluetooth function on your smart phone.
4. Find the device name “BTH-300” under Bluetooth column and connect it.
5. Pairing process is completed.
1.Start
Bluetoot
h
2.Find the
device
BTH-300
and
connect it

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BTH-300
Pair BTH-300 with 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 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 power switch and hold for 6 second.
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 few minutes. (Make sure other BT
devices around you are not in pairing mode.)
7. BTH-300 successfully connects to BT dongle when you see a BLUE LED continuous lights
for 3 seconds.
8. Pairing process is completed.