1. Entwodiksyon
The Nulaxy Air B102 is a versatile 2-in-1 Bluetooth 5.3 wireless audio adapter designed to function as both a transmitter (TX) and a receiver (RX). It enables wireless audio streaming with devices equipped with a 3.5mm audio jack, such as airplane entertainment systems, gym equipment, TVs, gaming consoles, car audio systems, and home stereos. This device supports aptX-Adaptive and aptX-Low Latency for high-quality audio transmission with minimal delay.

Image 1.1: Nulaxy Air B102 Bluetooth Adapter and accessories.
2. Pake kontni
- Nulaxy Air B102 Bluetooth Adapter
- Kab odyo 3.5mm (entegre)
- Dual-pin Airplane Adapter
- USB-C Chaje Kab
- Manyèl itilizatè
3. Aparèy souview

Image 3.1: Nulaxy Air B102 device components.
- Bouton pouvwa: Peze epi kenbe pou limen/etenn. Peze yon ti kras pou jwe/pran yon poz.
- Chanjman mòd: Toggle between Transmitter (TX) and Receiver (RX) modes.
- Endikatè ki ap dirije: Montre estati aparèy la (ap asosye, konekte, ap chaje).
- 3.5mm Audio Jack: Integrated cable for audio input/output.
- USB-C pò: Pou chaje aparèy la.
4. Enstalasyon ak Koneksyon
4.1. Chaje Aparèy la
Before first use, fully charge the Nulaxy Air B102 using the provided USB-C cable. Connect the USB-C end to the device and the other end to a standard USB power adapter (not included). The LED indicator will show charging status.
4.2. Power On/Off
- Pouvwa sou: Press and hold the Power Button for approximately 3 seconds until the LED indicator lights up.
- Pouvwa Off: Peze epi kenbe bouton pouvwa a pou apeprè 3 segonn jiskaske endikatè LED la etenn.
4.3. Switching Modes (TX/RX)
Use the mode switch on the side of the device to select either Transmitter (TX) or Receiver (RX) mode. Ensure the device is powered off before switching modes for optimal performance.
4.4. Transmitter (TX) Mode Pairing
In TX mode, the Nulaxy Air B102 transmits audio from a non-Bluetooth device to Bluetooth headphones or speakers.
4.4.1. First Time Pairing (Single Headphone)
- Mete switch mòd nan TX.
- Power on the Nulaxy Air B102. The green LED will flash, indicating it is in pairing mode.
- Place your Bluetooth headphones (e.g., AirPods) into their pairing mode. For AirPods, open the lid of the charging case with the AirPods inside.
- Keep the Nulaxy Air B102 and your headphones close to each other. They will automatically connect. The green LED on the Nulaxy Air B102 will turn solid once connected.
- Plug the 3.5mm audio cable of the Nulaxy Air B102 into the audio output jack of your desired device (e.g., airplane entertainment system, TV). If using on an airplane with dual jacks, use the included dual-pin adapter.

Image 4.1: TX Mode First Time Pairing.
4.4.2. Dual Headphone Pairing (TX Mode)
To connect a second pair of Bluetooth headphones:
- Ensure the first pair of headphones is already connected to the Nulaxy Air B102.
- Double-click the Power Button on the Nulaxy Air B102. The green LED will flash rapidly.
- Place the second pair of Bluetooth headphones into their pairing mode.
- Keep the devices close. Once connected, the green LED will remain solid.

Image 4.2: TX Mode Dual Headphone Pairing.
4.5. Receiver (RX) Mode Pairing
In RX mode, the Nulaxy Air B102 receives audio from a Bluetooth-enabled device (e.g., smartphone, tablet) and outputs it to a non-Bluetooth audio system (e.g., car stereo, home speakers).
4.5.1. First Time Pairing (Single Device)
- Mete switch mòd nan RX.
- Power on the Nulaxy Air B102. The blue LED will flash, indicating it is in pairing mode.
- On your Bluetooth-enabled device (e.g., smartphone), go to Bluetooth settings and search for "B102".
- Select "B102" to connect. The blue LED on the Nulaxy Air B102 will turn solid once connected.
- Plug the 3.5mm audio cable of the Nulaxy Air B102 into the AUX-IN port of your audio system (e.g., car stereo, home amplifier).

Image 4.3: RX Mode First Time Pairing.
4.5.2. Dual Device Pairing (RX Mode)
To connect a second Bluetooth-enabled device:
- Ensure the first device is already connected to the Nulaxy Air B102.
- Double-click the Power Button on the Nulaxy Air B102. The orange LED will flash rapidly.
- On your second Bluetooth-enabled device, search for "B102" and connect.
- Once connected, the orange LED will remain solid.

Image 4.4: RX Mode Dual Device Pairing.
4.5.3. Important Pairing Notes
- When pairing AirPods, ensure they are in their charging case with the lid open to enter pairing mode.
- For easier pairing, especially on airplanes, temporarily turn off Bluetooth on nearby mobile phones or tablets before initiating pairing with the Nulaxy Air B102.
5. Operasyon Enstriksyon
5.1. Transmitter (TX) Mode Usage
Connect the Nulaxy Air B102 to devices that lack Bluetooth functionality but have a 3.5mm audio output.
- Divètisman nan vòl: Plug the adapter into the airplane's audio jack (use the dual-pin adapter if necessary) and connect your wireless headphones to enjoy movies or music.
- Ekipman Jimnastik: Connect to gym machines with a 3.5mm audio output to listen to audio through your Bluetooth headphones.
- TVs & Gaming Consoles: Connect to the 3.5mm audio output of your TV or gaming console to stream audio to your Bluetooth headphones or speakers.

Image 5.1: Using Nulaxy Air B102 in TX mode for in-flight entertainment.

Image 5.2: Dual connection feature in TX mode for shared listening.
5.2. Receiver (RX) Mode Usage
Connect the Nulaxy Air B102 to audio systems that lack Bluetooth functionality but have a 3.5mm audio input (AUX-IN).
- Car Audio Systems: Plug the adapter into your car's AUX-IN port and connect your smartphone via Bluetooth to stream music or make hands-free calls (note: hands-free calling functionality depends on the car stereo's capabilities).
- Home Stereo Systems: Konekte lakay ou amplifier or speakers to stream audio from your Bluetooth-enabled devices.

Image 5.3: Using Nulaxy Air B102 in RX mode for car audio.
5.3. Kontwòl lèktur
When connected, you can typically control playback (play/pause) using the connected Bluetooth headphones/speakers or the source device. The Nulaxy Air B102's power button can also function as a play/pause button with a short press.
6. Antretyen
- Netwayaj: Sèvi ak yon twal mou epi sèk pou netwaye aparèy la. Evite pwodui netwayaj likid oswa solvan.
- Depo: Sere aparèy la nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Swen batri: Pou pwolonje lavi batri a, evite dechaje aparèy la nèt souvan. Chaje l regilyèman, menm si w pa itilize l pandan yon bon bout tan.
- Evite dlo: This device is not waterproof. Keep it away from water and moisture.
NAN. Depanaj
- Aparèy pa soumen: Asire w aparèy la byen chaje. Konekte l nan yon sous kouran avèk kab USB-C a.
- Cannot pair with headphones/device:
- Ensure the Nulaxy Air B102 is in the correct mode (TX for transmitting, RX for receiving).
- Make sure both the Nulaxy Air B102 and the target device are in pairing mode.
- Turn off Bluetooth on other nearby devices that might interfere with pairing.
- Deplase aparèy yo pi pre youn ak lòt.
- Restart both the Nulaxy Air B102 and the target device.
- Pa gen odyo oswa odyo ki gen move kalite:
- Check if the 3.5mm audio cable is securely plugged into both the Nulaxy Air B102 and the audio source/destination.
- Ensure the volume on both the Nulaxy Air B102 (if applicable via connected device) and the connected audio device/headphones is turned up.
- Verify that the Nulaxy Air B102 is successfully paired and connected (solid LED indicator).
- If using aptX, ensure both devices support aptX for optimal quality and low latency.
- Test with a different audio cable or source device if possible.
- Dual connection issues: Ensure both headphones/devices are properly in pairing mode when attempting dual connection. Follow the dual pairing steps carefully.
- Limited range or intermittent connection: Reduce the distance between the Nulaxy Air B102 and the connected Bluetooth device. Avoid physical obstructions.
8. Espesifikasyon
| Nimewo Modèl | B102 |
| Bluetooth vèsyon | 5.3 |
| Kodèk sipòte | aptX-Adaptive, aptX-Low Latency (ensure connected device supports aptX for best experience) |
| Mòd fonksyònman | Transmetè (TX), Reseptè (RX) |
| Entèfas odyo | 3.5mm Audio Jack (integrated cable) |
| Port chaje | USB-C |
| Dire batri (Mòd TX) | Jiska 15 èdtan |
| Dire Batri (Mòd RX) | Jiska 20 èdtan |
| Dimansyon | Apeprè 5.43 x 4.53 x 0.71 pous (Dimansyon pake a) |
| Pwa | Apeprè 2.89 ons |
| Aparèy konpatib | Headphones, AirPods, Airplane Stereo Systems, Bluetooth Speakers, TVs, Tablets, Computers, Laptops |

Image 8.1: Battery performance overview.

Image 8.2: Advanced Bluetooth 5.3 technology with Qualcomm chipset.
9. Garanti ak sipò
9.1. Enfòmasyon sou Garanti
Nulaxy products typically come with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official Nulaxy websit la pou wè tèm ak kondisyon garanti detaye yo.
9.2. Sipò pou Kliyan
For technical assistance, troubleshooting, or any inquiries regarding your Nulaxy Air B102, please contact Nulaxy customer support:
- Imèl: support@nulaxy.com
- Websit: www.nulaxy.com
Please have your model number (B102) and purchase details ready when contacting support.





