Introduction
The Joyroom JR-CB2 Pro is a versatile Bluetooth 5.3 AUX car adapter designed to bring wireless audio streaming and hands-free calling capabilities to your vehicle. Featuring dual microphones with CVC noise cancellation, HiFi deep bass sound, and a clear LED digital display, this adapter ensures a superior in-car audio experience and safer driving.
Features
- Bass Boosted & Hi-Fi Stereo: Enjoy powerful deep bass and immersive stereo sound with a dedicated 'BASS' button.
- Clearer Calls: Equipped with dual microphones and CVC8.0 noise cancellation technology for smooth, clear hands-free calls.
- Innovative LED Digital Display: Monitor volume levels (1-16) and exact battery percentage (1-100) at a glance.
- Multifunction Button & LED Light Design: Easy control for music, calls, and volume, with LED lights for visibility in low light.
- 26H Super Long Battery Life: Provides up to 26 hours of music or call time on a single charge.
- Dual Device Connection: Connect two devices simultaneously for seamless switching between music and calls.
- Safe Driving: One-touch hands-free calling for enhanced safety on the road.
- Universal Compatibility: Add wireless streaming music to any device with a 3.5mm AUX input.
Package Contents
- Joyroom Bluetooth 5.3 AUX Car Adapter (JR-CB2 Pro)
- 3.5mm Audio Adapter
- 3M Adhesive Patch
- 3.5mm Audio Cable
- Type-C Fast Charging Cable
Specifications
| Attribute | Value |
|---|---|
| Model Number | JR-CB2 Pro |
| Wireless Type | Bluetooth |
| Bluetooth Standard | v5.3 |
| Interface | 3.5 MM |
| Content | AUDIO |
| Sound Track | Double |
| Support AAC | Yes |
| Support Apt-x | No |
| Support Memory Card | No |
| High Definition Support | None |
| WIFI Standard | None |
| Audio Decoding | AACSBC |
| Supported Protocols | HFPA2DPAVRCP |
| Music Mode | Subwoofer mode, Vocal mode |
| Operating Frequency | 2400MHz-2480MHz |
| Maximum Output Power | 41dBm(EIRP) |
| Communication Distance | 10m (unobstructed open environment) |
| Frequency Response Range | 20Hz-20KHz |
| Microphone Sensitivity | -38dB±2 |
| Music Duration | Approx. 12 hours (70% volume) |
| Airtime (Call Duration) | Approx. 16.5 hours (70% volume) |
| Certification | CE, FCC, RoHS |
| Origin | Mainland China |
Setup Instructions
- Power On/Off: Press and hold the power button (usually indicated by a power symbol) located on the adapter's central control panel to turn the device on or off. The LED display will illuminate upon power-on.
Image: The adapter's front panel with power button, volume controls, and digital display.
- Connect to AUX Port: The adapter offers two primary usage modes for connecting to your car's AUX input.
Image: Illustration of Usage Mode 1 (direct plug-in) and Usage Mode 2 (adhesive mount with cable).
- Mode 1 (Direct Plug-in): If your car's AUX port is easily accessible, plug the included 3.5mm audio adapter directly into the AUX port, then connect the JR-CB2 Pro to the audio adapter.
- Mode 2 (Adhesive Mount): For a more permanent or discreet installation, use the 3M adhesive patch to secure the JR-CB2 Pro to a suitable surface in your car. Then, connect the adapter to your car's AUX port using the provided 3.5mm audio cable.
- Bluetooth Pairing:
Image: Step-by-step guide for connecting the adapter to the car's AUX and pairing via Bluetooth.
- Ensure the JR-CB2 Pro is powered on.
- On your smartphone or other Bluetooth-enabled device, go to the Bluetooth settings.
- Search for available devices and select "JR-CB2 Pro" from the list to connect. A confirmation sound or message may indicate a successful connection.
Operating Instructions
Music Playback
- Play/Pause: Press the central Play/Pause button.
- Next Track: Press the 'Next' button (>>|).
- Previous Track: Press the 'Previous' button (|<<).
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
Bass Mode
- To activate or deactivate the deep bass effect, slide the 'BASS' button located on the side of the adapter to 'ON' or 'OFF'.
Image: The adapter highlighting the 'BASS' switch for enhanced audio.
Hands-Free Calling
- Answer/Hang Up: Press the Call button (green phone icon) to answer an incoming call or end an ongoing call.
- Reject Call: Press and hold the Call button to reject an incoming call.
- Redial: Double-press the Call button to redial the last number.
Image: Demonstrates safe, one-touch hands-free calling while driving.
Dual Device Connection
- The adapter supports connecting to two Bluetooth devices simultaneously. Once both devices are paired, the adapter will prioritize audio from the currently active device. This allows for seamless transitions between music from one device and calls from another.
Image: Illustrates the ability to connect and manage two devices concurrently.
LED Digital Display
- The LED screen displays current volume levels (1-16) and the exact battery percentage (1-100), along with a colorful LED backlight.
Image: Detailed view of the LED digital display features.
Maintenance
- Charging: Use the provided Type-C fast charging cable to charge the device. A full charge takes approximately 2 hours. The adapter can be used while charging.
- Cleaning: Wipe the device with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
- No Power: If the device does not turn on, check the battery level on the LED display. If low, connect it to a power source using the Type-C cable.
- Cannot Pair: Ensure the adapter is powered on and in pairing mode (often indicated by a flashing Bluetooth icon or light). Turn off and on your phone's Bluetooth, then search for "JR-CB2 Pro" and try connecting again. Restarting both devices can also help.
- Poor Audio Quality/Noise: Verify that the adapter is securely plugged into the car's AUX port. Check for any loose connections. Environmental interference can sometimes affect audio quality; try moving your phone closer to the adapter. The built-in CVC8.0 noise cancellation should minimize road noise during calls.
- Calls Unclear: Ensure the dual microphones are not obstructed. Check the volume settings on both your phone and the car's audio system.
- Bass Mode Not Working: Confirm that the 'BASS' button on the side of the adapter is slid to the 'ON' position.
User Tips
- The product operates wirelessly via Bluetooth technology, providing convenience without cables.
- It functions as a Bluetooth receiver supporting AAC and SBC audio decoding protocols, offering both Subwoofer and Vocal music modes for varied listening preferences.
- Enjoy approximately 12 hours of music playback at 70% volume, making it suitable for daily commutes and longer trips.
- The double sound track capability allows for true stereo playback, enhancing your audio experience.
- This adapter is versatile and can be used in any scenario requiring Bluetooth audio connectivity, not just cars.
Warranty and Support
For detailed warranty information, technical support, or service inquiries, please refer to the official Joyroom website or contact their customer service directly. Keep your purchase receipt for warranty claims.
