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| Products Type | BT Adapter Dongle |
| Item Number | BTD-2M4-5 |
| Dimension | 62.7*29..9*18.0mm |
| Weight | 30g |
| Operating Temperature | -20°C±2°C ~ 50°C±2°C |
| BT Version | v5.0 |
| BT Profiles | HSP / HFP / BLE |
| BT Power Class | Cass2 |
| Feature | High-Quality DAC, Qualcomm CVC |
| Range (typical) | 10 meters |
| PTT Function | Built-in |
| Indicator LED | Blue |

Q1: What accessories can work with the BTD-2M4-5 dongle?
A: MobilitySound BT headset and BT PTT button can work with it.
Q2: Can the BTD-2M4-5 dongle work with other BT headsets on the market?
A: Yes, it can work with other BT headsets, but the PTT function may not be available, only the audio.
Q3: Can I pair the extra BT PTT button with the BTD-2M4-5 dongle?
A: Yes, you can order our BT PTT button to pair with it.
Q4: Warranty Period?
A: We offer a 1-year warranty for defective units out of the box.
If you have any other questions, please feel free to contact us.
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