Introduction
Thank you for choosing the COMSOON Bluetooth Receiver J22. This device is designed to bring wireless audio capabilities to your non-Bluetooth car audio systems, home stereos, speakers, and wired headphones via a 3.5mm AUX adapter. Equipped with Bluetooth 5.0 technology, it ensures stable connection, fast transmission, and a wide signal range. Enjoy crystal-clear music and hands-free calls with intelligent noise reduction technology.
What's in the Box
- 1 x COMSOON Bluetooth AUX Car Adapter
- 1 x 3.5mm Male to Male Connector
- 1 x 3.5mm AUX Cord
- 1 x Type-C Charging Cable
- 1 x User Manual
Product Overview
The COMSOON Bluetooth Receiver J22 features a compact design with intuitive controls for seamless audio streaming and call management.
Figure 1: COMSOON Bluetooth Receiver J22 with labeled components.
- Multifunction Button (MFB): Used for power on/off, play/pause, answer/end/reject calls.
- Volume Up / Next Track Button: Short press for volume up, long press for next track.
- Volume Down / Previous Track Button: Short press for volume down, long press for previous track.
- Built-in Microphone: For hands-free calling.
- 3.5mm AUX Port: For connecting to audio devices.
- Type-C Charging Port: For charging the device.
Setup Guide
Follow these steps to set up your COMSOON Bluetooth Receiver J22:
- Charge the Device: Before first use, fully charge the receiver using the provided Type-C charging cable. Connect the Type-C end to the receiver's charging port and the USB-A end to a power source (e.g., car charger, USB wall adapter). The device takes approximately 2.5 hours to fully charge. You can use the device while it is charging.
- Power On: Press and hold the Multifunction Button (MFB) for 3 seconds until the indicator light flashes.
- Connect to Audio Device: Plug the 3.5mm AUX connector (either the male-to-male connector or the AUX cord) into the receiver's 3.5mm AUX port and then into your car's AUX input, home stereo, speaker, or wired headphones.
- Pair with Your Phone:
- Turn on Bluetooth on your smartphone or other Bluetooth-enabled device.
- Search for Bluetooth devices and select "J22" from the list.
- Once paired, the indicator light will turn solid blue, and you will hear a voice prompt indicating successful connection.
- Enjoy Wireless Audio: You are now ready to stream music or make hands-free calls through your connected audio system.
Figure 2: Quick Setup Steps.
Figure 3: Bluetooth 5.3 ensures stable and wide-range connection.
Operating Instructions
Music Playback
- Play/Pause: Short press the Multifunction Button (MFB).
- Next Track: Long press the Volume Up / Next Track button.
- Previous Track: Long press the Volume Down / Previous Track button.
- Volume Adjustment: Short press the Volume Up or Volume Down buttons.
Hands-Free Calling
The built-in microphone and CVC8.0 Noise Cancellation technology provide clear call quality.
Figure 4: Hands-free calling and navigation for safe driving.
- Answer Call: Short press the Multifunction Button (MFB).
- End Call: Short press the Multifunction Button (MFB) during a call.
- Reject Call: Long press the Multifunction Button (MFB) for 2 seconds.
- Redial Last Number: Double press the Multifunction Button (MFB).
Dual Connection
The receiver can be paired with two devices simultaneously, allowing you to switch between music and calls seamlessly.
Figure 5: Dual connection allows pairing with two devices simultaneously.
Voice Navigation
The Bluetooth audio adapter supports broadcasting voice notifications from existing navigation apps on your phone, ensuring you stay focused on the road.
Maintenance
To ensure the longevity and optimal performance of your COMSOON Bluetooth Receiver J22, please follow these maintenance guidelines:
- Charging: Recharge the device when the battery is low. The working time is up to 16 hours for calls or music playback.
- Cleaning: Use a soft, dry cloth to clean the device. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping or subjecting the device to strong impacts.
Figure 6: Long battery life for extended use.
Troubleshooting
If you encounter issues with your COMSOON Bluetooth Receiver J22, refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Device does not power on. | Battery is depleted. Charge the device for at least 10 seconds to see if the red light appears, then continue charging until full. |
| Cannot pair with phone. | Ensure the receiver is in pairing mode (flashing indicator light). Turn off and on Bluetooth on your phone. Make sure the receiver is not connected to another device. |
| No audio or poor sound quality. | Check if the 3.5mm AUX connection is secure. Ensure the volume on both the receiver and your connected device is turned up. If using in a car, some users report minor feedback when both AUX and USB are plugged in simultaneously; try disconnecting the charging cable if not needed for immediate use. |
| Device automatically switches off. | If not paired or not used for more than 5 minutes, the device will automatically switch off to save battery. Power it on again. |
| Cannot connect to Bluetooth headphones. | This device is designed to convert wired headphones to wireless, not to pair with Bluetooth headphones. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | J22 |
| Product Dimensions | 0.79 x 0.79 x 0.79 inches |
| Item Weight | 2.29 ounces |
| Connectivity Technology | Bluetooth 5.0 |
| Power Source | DC (Type-C Charging) |
| Battery Life (Music/Call) | Up to 16 hours |
| Charging Time | Approx. 2.5 hours |
| Noise Cancellation | CVC8.0 Noise Cancellation, Digital Signal Processor (DSP) |
| Material | Plastic |
Safety Information
For safe use of this COMSOON Bluetooth Receiver, follow these guidelines:
- Do not dispose of batteries in fire.
- Avoid short-circuiting battery terminals.
- Use the device in appropriate temperature and humidity conditions to prevent damage.
- Ensure proper handling and disposal of the device and its components according to local regulations.
- This device may cause interference with other wireless devices. If experiencing issues, consult the user manual or contact the manufacturer.
Warranty and Support
COMSOON is committed to providing high-quality products and excellent after-sales service. For any questions, technical support, or warranty inquiries regarding your COMSOON Bluetooth Receiver J22, please visit the official COMSOON Brand Store on Amazon:
You may also refer to the digital User Manual (PDF) available on the product page for additional details.
