1. Introduction
Thank you for choosing the APEKX Bluetooth Adapter. This device is designed to transform your non-Bluetooth audio systems, such as car stereos, wired headphones, and home stereo systems, into wireless Bluetooth-enabled devices. Enjoy seamless music streaming and hands-free calling with advanced Bluetooth 5.3 technology and a long-lasting battery.

Image: The APEKX Bluetooth Adapter, a compact black device with a 3.5mm audio jack, ready for use.
2. Product Features
- Bluetooth 5.3 Technology: Ensures an ultra-stable connection for an enhanced wireless experience.
- Wireless Music Streaming: Easily stream music to non-Bluetooth headphones and speakers, converting wired devices to wireless.
- Long Battery Life: Provides up to 15 hours of playback time for uninterrupted music or calls.
- Hands-Free Calling: Conveniently plug into your in-car device for hands-free calls, ensuring safety while driving.
- Dual Pairing Capability: Connect two Bluetooth devices simultaneously, allowing seamless switching between music and calls.
3. Package Contents
Verify that all items are present in your package:
- 1 x APEKX Bluetooth Receiver
- 1 x 3.5mm Metal Audio Adapter
- 1 x 3.5mm Audio Cable
- 1 x Micro USB Charging Cable
- 1 x User Manual

Image: A visual representation of the package contents, including the APEKX Bluetooth Receiver, 3.5mm metal audio adapter, 3.5mm audio cable, Micro USB charging cable, and user manual.
4. Product Overview
Familiarize yourself with the various parts and functions of your APEKX Bluetooth Adapter:

Image: A diagram illustrating the components of the APEKX Bluetooth Adapter, including the Power on/off switch, AUX Port, Multifunction Button (MFB), Micro USB Charging Cable port, Built-in Mic, Next Song/Volume Up button, and Previous Song/Volume Down button.
5. Setup and Pairing
Follow these steps to set up and pair your APEKX Bluetooth Adapter:
- Power On: Locate the power on/off switch on the device and slide it to the 'On' position.
- Plug In: Connect the APEKX Bluetooth Adapter to your car's AUX input, wired headphones, or home stereo system using the provided 3.5mm audio adapter or cable.
- Pairing Mode: The device will automatically enter pairing mode, indicated by a flashing LED light.
- Connect via Bluetooth: On your smartphone or other Bluetooth-enabled device, go to Bluetooth settings and select "BR19" (or similar name) from the list of available devices to connect.
- Enjoy: Once connected, the LED light will become solid, and you can begin streaming audio wirelessly.

Image: A visual guide showing the four steps for setting up the APEKX Bluetooth Adapter: Power on, Plug in, Pairing, and Enjoy.
6. Operating Instructions
6.1 Music Playback
- Play/Pause: Press the Multifunction Button (MFB) once.
- Next Track: Short press the "Next Song/Volume Up" button.
- Previous Track: Short press the "Previous Song/Volume Down" button.
- Volume Up: Long press the "Next Song/Volume Up" button.
- Volume Down: Long press the "Previous Song/Volume Down" button.
6.2 Hands-Free Calling
- Answer/End Call: Press the MFB once.
- Reject Call: Long press the MFB.
- Redial Last Number: Double-press the MFB.
6.3 Dual Device Connection
The APEKX Bluetooth Adapter supports connecting to two Bluetooth devices simultaneously. After pairing the first device, disable its Bluetooth, then pair the second device. Re-enable Bluetooth on the first device, and both should connect. You can then switch between audio sources as needed.

Image: The APEKX Bluetooth Adapter connected to two mobile devices simultaneously, demonstrating its dual pairing capability for seamless switching between music and calls.
7. Charging and Battery Life
The device features a long-lasting battery. To charge, connect the provided Micro USB Charging Cable to the adapter and a power source. A full charge takes approximately 2.5 hours and provides up to 15 hours of music/calling time or 200 hours of standby time.

Image: An illustration detailing the battery performance of the APEKX Bluetooth Adapter, showing 2.5 hours for a full charge, 15 hours for music/calling, and 200 hours of standby time.
8. Maintenance
- Keep the device dry. Avoid exposure to water or excessive humidity.
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Store the device in a cool, dry place when not in use.
- Avoid extreme temperatures, as they can shorten the lifespan of the battery and electronic components.
9. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device won't power on. | Ensure the battery is charged. Connect to a power source using the Micro USB cable. |
| Cannot pair with a device. | Make sure the adapter is in pairing mode (flashing LED). Ensure Bluetooth is enabled on your device and it's within range. Forget previous pairings on your phone and try again. |
| No audio or poor sound quality. | Check if the adapter is securely plugged into the AUX port. Adjust volume on both the adapter and your connected device. Ensure there's no interference from other wireless devices. |
| Call quality is poor. | Ensure the built-in microphone is not obstructed. Move closer to the adapter. Check for environmental noise. |
| Device disconnects frequently. | Ensure your device is within the Bluetooth range (approx. 10 meters/33 feet). Avoid physical obstructions between the adapter and your device. |
10. Specifications
- Model Number: BR19
- Product Dimensions: 0.5 x 2.7 x 2.2 inches
- Item Weight: 0.6 ounces
- Connectivity Technology: Bluetooth 5.3
- Power Source: Corded Electric (via Micro USB)
- Battery: 1 Lithium Polymer battery (included)
- Battery Life: Up to 15 hours (Music/Calling)
- Standby Time: Up to 200 hours
- Material: Plastic
- Special Features: Bluetooth FM Transmitter, Hands-Free Calls, Dual Pairing.
11. Safety Information
Always follow the manufacturer's instructions for use, charging, and disposal. This device may cause interference with other wireless devices. Do not disassemble or attempt to repair yourself, and avoid exposure to water or extreme temperatures.
12. Warranty and Support
For warranty information and customer support, please refer to the contact details provided in your product packaging or visit the official APEKX website. Keep your purchase receipt for warranty claims.


