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X15 Airoha 1536 Chip in-Ear Earphone
X15 TWS Earphone is made of Airoha 1536 Chip, has a 370mAh battery capacity in case, and a standby time of up to 150 hours.






| X15 Product Specification Definition | |||
| Default Specification | TWS Bluetooth earphone | Appearance | |
| Model Name | X15 | ![]() | ![]() |
| Chip | JL 6973D4 | ||
| Bluetooth version | |||
| While the headphones are paired with each other | 30Second | ||
| The duration of the pairing state with the mobile phone | 5minute | ||
| Speaker Specifications | 32Ω 13mW | ||
| Low battery alarm | 3.3V | ||
| Charging case full time | 2 hours | ||
| Charging compartment input voltage/electric current | 5V=1A | ||
| Battery Specifications | 35mAH | ||
| Charging Case Battery Specifications | 370mAH | ||
| Parameter | ||||
| Speaker parameters | Description | Standard Value | Deviation | Unit |
| BER AT 0.001% | -80 | ≦-75 | dBm | |
| Speaker output level 1K(reference prototype) | 103 | ±3 | dB | |
| Speaker output level 300Hz (reference prototype) | 113 | ±3 | dB | |
| reception distortion | 5 | ≦5.0 | % | |
| Power consumption test | Boot current | 3-8mAh | ±2 | mA |
| power off current | 5-7mAh | uA | ||
| Sleep current | 2 | mA | ||
| call current | 12-15mAh | ±2 | mA | |
| music playback current | 7-10mAh | ±2 | mA | |
| Charging current test | Headphone charging current | 40 | mA | |
| Charging bin charging current | 300 | mA | ||
| Usage Time | Standby time(Connection Status) | 40 | ±10 | h |
| Call time | 3 | ±0.5 | h | |
| music playing time | 5H(实测‘Victory’单曲循环) | ±0.5 | h | |
| Maximum charging time | 2 | ±0.2 | h | |
| 通信距离 | 正常通话距离 | 10 | ±1 | M |
| 音乐通信距离 | 15 | ±2 | M | |
| Function | |||||
| Blue/Red light status indication | No. | Status Item | Status Indication | ||
| 1 | Power on light | The blue light stays on for one second | |||
| 2 | Power off light | The red light stays on for one second | |||
| 3 | Pairing indicator | Alternately flashing red and blue lights | |||
| 4 | Standby (not connected to the phone) | Red and blue flashing alternately | |||
| 5 | Standby (connected to mobile phone) | Lights off | |||
| 6 | Call | Flashing blue light | |||
| 7 | Play music | Lights off | |||
| 8 | Charging indicator light | Steady red light | |||
| 9 | Charging complete indicator | Lights off | |||
| 10 | Low pressure alarm | Lights off | |||
| Function | Functional items | Operating | Led state | Prompt | Detailed function description |
| Power on | Open the cover or press and hold 2seconds to boot | The blue light stays on for one second | √ | In power off mode, press and hold the function key2seconds or open the charging compartment coverOn, at this time you can hear the power-on prompt tone, the blue light stays on for one second, and the headsetstart up | |
| Power off | Press5seconds off | The red light stays on for one second | √ | In power-on mode, press and hold the function key6seconds, you will hear the power off promptAfter that, the red light stays on for one second, and the system shuts down,Or put the earphones into the charging caseinner cover | |
| Headphone pairing | Automatically enter after bootinginto pairing mode | Alternately flashing red and blue lights | √ | In power off state,hold down"ON/OFF"key3Second,enter the pairing state,Left and right ear blue lights flashing2Automatic pairing in seconds, the main ear is red and blue after the pairing is successfullights flashing alternately | |
| Automatically connect at startup | Press the multifunction key 2Second | red and blue flashing1Second | √ | In the off state, press the multi-function key3seconds to boot, it will automatically connect a phone or audio device | |
| Automatic shut-down | / | The red light stays on for one second | √ | Disconnect from phonewithout any operation, the headset 10Automatic power off after minutes | |
| Next track | double click R function key | / | / | TWS Connection, music state: Double-click the right earphone to touch the multi-functionbutton | |
| double click Rf unction key | / | / | Single ear in music status: left/Double click on the right earphone is the next song (singleear use is the next work) | ||
| Previous piece | double clickLfunction key | / | / | TWS Connection, music status: double-click the left earphone multi-function touchbutton | |
| Volume up | triple hitRfunction key | / | Maximum volume'beep 'sound | TWS connection, music status: triple-click the multi-function touch of the right earphonebutton | |
| Volume down | triple hitLfunction key | / | Maximum volume'beep 'sound | TWS connection, music state: triple-click the multi-function touch of the left earphonebutton | |
| Voice assistant | Long press the function key 2Raise your hand in seconds to activate Siri | / | / | Standby/In the music state: After pairing and connecting with the mobile phone, press and hold the function to build2The mobile phone enters the voice mode in seconds | |
| End call | double click button | / | / | During a call: Double-click the multi-function touch button on either earphone | |
| Call answering | double click button | The blue light flashes quickly when there is an incoming call, and the white light is on when it is connected 3Secondblink | √ | When the ring tone is heard from the unit, during the ringing process,double tapablekey, the machine can answer the call | |
| Headphones and phone roomswitch call | Long press the touch button 2Second | / | / | During a call: Long press the multi-function touch button on either earphone 2Second | |
| Call rejection | Double click on any headset | / | √ | Incoming call: Long press the multi-function touch button on either earphone 2Second | |
| Pause/Play | Click the multifunction button | / | / | In the music playing state: click the touch function of any earphonekey | |
| Charge | Put the earphones into theInside the battery | Put the earphones into the charging compartment and close the compartment cover | / | Put the earphones into the charging compartment and close the compartment cover,The red light of the headset is always on,Charging boxThe digital display marquee corresponding to the headset flashes, and the light turns off when it is fully charged | |
| Insert the charging box USB | Display the current battery level of the charging compartment | / | Display the current power when charging, and display 100% after charging is complete | ||
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