| Customization: | Available |
|---|---|
| Style: | Ear Hook |
| Usage: | Language Translation |
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| Host part | |||
| Bluetooth solution | JL AD7003D8 | Bluetooth pairing name | A39 |
| Bluetooth version | 5.3 | Communication distance | 10M |
| Supported Bluetooth protocols | A2DP/AVDTP/AVRCP/RFCOMM/HFP/HSP/ | Supported audio formats | AAC SBC |
| Bluetooth transmission power | Max. 9dBm | Operating frequency band | 2.4-2.480GHZ |
| Interface type | TYPE-C | Earphone charging time | 1.5h |
| Play music time | 7h | Standby time | 90h |
| Talk time | 5h | Earphone charging time | 1.5h |
| Charging bay charging time | 1.5h | Headphone battery capacity | 50MAH |
| Charging bay battery capacity | 500MAH | Net weight (g) | 96.5g |
| Horn section | |
| Magnet Type Speaker Type | Neodymium iron boron |
| Horn size | 14.2MM |
| Input impedance | 16Ω±15% |
| Voice coil material | copper |
| Sensitivity (dB/mW)Sensitivity | 119+3dB At 1000 Hz At 0.126V |
| Distortion degree T.H.D | <5% |
| Frequency range (Hz)Frequency range | 20Hz ~ 20KHz |
| Pure tone check Rub&Buzz(sound pressure) | 0.4V |
| Rated power (mW) | Rated Power Input 5mW, Max Power Input |
| L/R Earphone Balance (dB) L/R Channel difference |
±3DB |
| polarity polarity | Make a red dot on the positive side |
| Microphone section | |
| Directivity | omnibearing |
| Sensitivity (Headset) (dBV/Pa) | -42DB |
| Frequency range (Hz)Frequency range | 100HZ-10KHZ |
| Operating Voltage Range (V)Operation Voltage Range | 1.6-3.6V |
| Signal-to-noise Ratio S/N Ratio | 59DB |
| Earphone part | |
| Rated input voltage | 5V |
| Charging current (max) | 50MA |
| Working current (100% volume playback) | 5-7MA |
| Standby current | 0.5mA |
| Static current | 11uA |
| Battery saturation voltage | 4.2V |
| Shutdown voltage | 3.1V |
| Charging bay section | |
| Rated input voltage | 5V |
| Charging current (max) | 400MA |
| Operating current (max) | Less than 100MA |
| Standby current | 400UA |
| Static current | uA |
| Battery saturation voltage | 4.2V |
| Shutdown voltage | 3.1V |
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