OQIMAX Bluetooth 5.3 Aux Adapter (Model B0BTKT175W) User Manual

1. Product Overview

The OQIMAX Bluetooth 5.3 Aux Adapter is a versatile 2-in-1 device designed to add Bluetooth capabilities to non-Bluetooth audio equipment. It functions as both a Bluetooth transmitter and receiver, enabling wireless audio streaming for a variety of applications, including car audio systems, home stereos, TVs, headphones, and speakers.

Key Features:

• 2-in-1 Functionality: Seamlessly switch between Transmitter (TX) and Receiver (RX) modes.
• Bluetooth 5.3 Technology: Provides a stable connection and extended range up to 10 meters.
• High-Fidelity Audio: Supports MP3, WAV, WMA, FLAC, APE audio formats and incorporates CVC noise reduction for clear sound.
• Hands-Free Calling: Built-in microphone for convenient call management in Receiver mode.
• Compact and Portable: Lightweight design (17g) with dimensions of 61x35x12mm for easy transport.
• Long Battery Life: Up to 10 hours of music playback on a single charge.

Figure 1: OQIMAX Bluetooth Aux Adapter. This image shows the compact design of the adapter with its 3.5mm audio jack, power button, multifunction button, volume controls, and RX/TX switch.

Figure 2: Illustration of the Bluetooth 5.3 chip, highlighting its role in providing stronger signal and more stable transmission for the adapter.

Figure 3: Diagram illustrating the wide compatibility of the adapter with various non-Bluetooth devices such as car audio systems, speakers, headsets, TVs, and Bluetooth-enabled devices like phones, MP3 players, and gaming consoles.

2. Safety Information

For safe and proper usage of your OQIMAX Bluetooth Aux Adapter, please observe the following guidelines:

• Keep this device and its components away from water or excessive moisture.
• Do not expose the device to extreme temperatures (hot or cold).
• Do not attempt to open or modify the device. Doing so may cause damage and will void the product warranty.
• Handle batteries with care, avoiding short circuits. Dispose of batteries properly according to local regulations.
• This device may cause interference with other wireless devices. For optimal placement and usage, refer to this user manual.

3. Package Contents

Please check the package for the following items:

• OQIMAX Bluetooth 5.3 Aux Adapter
• USB Charging Cable
• User Manual
• (Optional: 3.5mm Audio Cable, if included with your specific model)

4. Device Layout and Controls

Figure 4: Detailed view of the adapter's buttons and ports. This diagram labels the Power Button, Multifunction Button (for calls/play/pause), Microphone, Charging Port, AUX Port, Volume Up/Next Song button, Volume Down/Previous Song button, and the RX/TX switch.

1. Power Button: Press and hold to power on/off.
2. Multifunction Button (Call/Play/Pause):
   • Short press: Play/Pause music.
   • Short press: Answer/End a call.
   • Long press: Reject a call.
3. Microphone: For hands-free calling.
4. Charging Port: USB port for charging the device.
5. AUX Port: 3.5mm audio jack for connecting to audio devices.
6. Volume Up / Next Song Button (+):
   • Short press: Next song.
   • Long press: Increase volume.
7. Volume Down / Previous Song Button (-):
   • Short press: Previous song.
   • Long press: Decrease volume.
8. RX/TX Switch: Slide to select Receiver (RX) or Transmitter (TX) mode.

5. Setup and Connection

5.1 Charging the Device

Before first use, fully charge the adapter. Connect the provided USB charging cable to the adapter's charging port and a USB power source (e.g., computer USB port, USB wall adapter). The charging indicator light will show charging status and turn off when fully charged. A full charge typically takes 1 hour and provides up to 10 hours of music playback.

Figure 5: Battery life indication. The image illustrates that the device charges in 1 hour and provides 10 hours of music playback.

5.2 Selecting Operating Mode (RX/TX)

Slide the RX/TX switch on the side of the adapter to select the desired mode:

• RX (Receiver) Mode: To receive Bluetooth audio from your phone/tablet and output it to a non-Bluetooth device (e.g., car stereo, wired headphones, home speaker).
• TX (Transmitter) Mode: To transmit audio from a non-Bluetooth device (e.g., TV, MP3 player, PC) to Bluetooth headphones or speakers.

Figure 6: Adapter in a car environment, demonstrating its receiving and transmitting capabilities. The image highlights the device's ability to add Bluetooth to non-Bluetooth headphones or speakers for high-quality music.

5.3 Connecting in Receiver (RX) Mode

1. Switch the adapter to RX mode.
2. Insert the 3.5mm audio jack of the adapter into the AUX input of your non-Bluetooth audio device (e.g., car stereo, home speaker, wired headphones).
3. Power on the adapter by pressing and holding the Power Button until the indicator light flashes. The adapter will enter pairing mode.
4. On your smartphone or other Bluetooth-enabled device, go to Bluetooth settings and search for available devices.
5. Select "OQIMAX Adapter" (or similar name) from the list to pair. Once paired, the indicator light will stop flashing and remain solid.
6. You can now stream audio wirelessly from your device to the connected audio system.

Figure 7: The adapter plugged into a car's AUX port, enabling Bluetooth audio for the car stereo system.

5.4 Connecting in Transmitter (TX) Mode

1. Switch the adapter to TX mode.
2. Insert the 3.5mm audio jack of the adapter into the audio output port of your non-Bluetooth device (e.g., TV headphone jack, MP3 player, PC audio out).
3. Power on the adapter by pressing and holding the Power Button until the indicator light flashes. The adapter will enter pairing mode.
4. Put your Bluetooth headphones or speaker into pairing mode.
5. The adapter will automatically search for and connect to nearby Bluetooth receiving devices. Once connected, the indicator light will stop flashing and remain solid.
6. You can now listen to audio from your non-Bluetooth device on your Bluetooth headphones or speaker.

Figure 8: Various usage scenarios for the adapter, including connecting to a TV for wireless headphone audio, streaming to a speaker, and connecting to a PC for gaming audio.

6. Operating Instructions

6.1 Power On/Off

• Power On: Press and hold the Power Button for approximately 3 seconds until the indicator light illuminates.
• Power Off: Press and hold the Power Button for approximately 3 seconds until the indicator light turns off.

6.2 Music Playback (RX Mode)

• Play/Pause: Short press the Multifunction Button.
• Next Song: Short press the "+" button.
• Previous Song: Short press the "-" button.
• Volume Up: Long press the "+" button.
• Volume Down: Long press the "-" button.

6.3 Hands-Free Calling (RX Mode)

• Answer Call: Short press the Multifunction Button when an incoming call rings.
• End Call: Short press the Multifunction Button during a call.
• Reject Call: Long press the Multifunction Button when an incoming call rings.

7. Maintenance

• Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
• Store the adapter in a cool, dry place when not in use.
• Avoid dropping or subjecting the device to strong impacts.
• Ensure the charging port and AUX port are free from dust and debris.

8. Troubleshooting

9. Specifications

10. Warranty and Support

The OQIMAX Bluetooth 5.3 Aux Adapter is covered by a limited warranty from the date of purchase. Please retain your proof of purchase for warranty claims.

For technical support, troubleshooting assistance, or warranty inquiries, please contact OQIMAX customer service through the retailer where the product was purchased or visit the official OQIMAX website for contact information.

Manufacturer: OQIMAX

ASIN: B0BTKT175W