JOYROOM JR-CB8 Wireless Receiver User Manual

Introduction

This user manual provides detailed instructions for the JOYROOM JR-CB8 Wireless Receiver. It covers product specifications, operation, pairing, troubleshooting, and safety guidelines.

Product Specifications

Packing List

• Wireless Receiver
• 3.5mm audio cable
• 3.5mm audio adapter
• 3M adhesive *2
• Type-C charging cable
• User Manual & Warranty Card

Product Diagram

The device features the following controls and ports:

• Power button: For turning the device on/off.
• BASS switch: To toggle bass mode ON/OFF.
• Volume up: Increases volume.
• Volume down: Decreases volume.
• Previous track: Skips to the previous track.
• Next track: Skips to the next track.
• 3.5mm audio port: For wired audio connection.
• Type-C charging port: For charging the device.
• Dual-mic ENC: Indicates dual microphones for noise cancellation.

Pairing Operation

1. Turn On: Press and hold the Power button for 2 seconds. The ice blue indicators on the 4 buttons will light up for 1 second.
2. Pairing: When the ice blue indicators of the 4 buttons breathe simultaneously, the receiver is ready for pairing. On your phone, enable Bluetooth, search for "JR-CB8", and connect.
3. Turn Off: Press and hold the Power button for 3 seconds. The device will automatically turn off if not connected for 10 minutes.

Operation Instructions

Music Function

• Play/Pause: Click the Power button.
• Previous Track: Click the Previous track button.
• Next Track: Click the Next track button.
• Volume Up: Click the Volume up button.
• Volume Down: Click the Volume down button.

Call Function

• Answer/End Call: When a call comes in, click the Power button.
• Reject Call: When a call comes in, press and hold the Power button for 1 second.

Other Functions

• Turn On/Off BASS: Slide the BASS switch to the ON or OFF position.
• Turn On/Off Light: In the turned-on status, press and hold the Volume down button for 3 seconds.
• Dual Connection: Connect Device 1. Turn off Device 1's Bluetooth. Connect Device 2. Turn on Device 1's Bluetooth and connect it manually to the receiver to enable dual device connection.
• Factory Reset: In the turned-on status, press and hold both the Volume up and Volume down buttons simultaneously for 2 seconds.

Indicator Light Status

• Turn On: Ice blue indicators of the 4 buttons stay on for 1 second.
• Turn Off: Ice blue indicators of the 4 buttons turn off simultaneously.
• Ready for Pairing: Ice blue indicators of the 4 buttons breathe simultaneously.
• Charging: During charging, the ice blue indicators of the 4 buttons breathe slowly and simultaneously. They turn off when fully charged.

Frequently Asked Questions (FAQ)

Q: Why can't the product be turned on?

A: Check if the product has power. If not, charge it for at least half an hour. Ensure the correct button is pressed and held for 2 seconds.

Q: Why can't the product be connected?

A: Ensure it's not connected to another device. For iPhones, manually select "JR-CB8" in Bluetooth settings. If issues persist, try a factory reset.

Q: Why is the sound too low?

A: For Android users, ensure the media and call audio channels are enabled in Bluetooth settings. For iPhone users, check for volume limits in phone settings. Manually adjust volume on the phone, receiver, and car audio if applicable.

Q: Why can't the product be charged?

A: Ensure the charging port and cable are properly connected. Use Qi-certified chargers and the included cable. Avoid uncertified chargers.

Safety Criteria & Warnings

General Precautions:

• Do not disassemble or modify the product.
• Do not immerse in liquid or wash with water.
• Use certified adapters and the included charging cable.
• Operate and store within normal temperatures (0°C to 45°C).
• Avoid prolonged use at high volumes to prevent hearing damage.
• Do not use during thunderstorms.

Battery Safety:

• Do not dispose of batteries in fire, hot ovens, or by crushing/cutting.
• Avoid exposure to extremely low air pressure, which may cause explosions or leaks.

General Warnings:

• Failure to follow safety instructions may result in fire, electric shock, damage, or injury.
• Refer to electrical and safety information on the product shell before use.

Compliance Information

This product model from JOYROOM complies with EU Directives 2014/53/EU and 2011/65/EU. The full text of the EC Declaration of Conformity is available at: https://www.joyroom.com

This equipment complies with EU Directives 2012/19/EU and 2006/66/EU. Do not dispose of this equipment with ordinary trash; it must be recycled. This symbol indicates proper disposal at an electronics recycling center.

This device complies with part 15 of the FCC Rules. Operation is subject to two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the responsible party could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules, designed to provide reasonable protection against harmful interference in a residential installation. If interference occurs, try reorienting the antenna, increasing separation, using a different outlet, or consulting a technician. The device has been evaluated to meet general RF exposure requirements and can be used in portable exposure conditions without restriction.