Joyroom JR-CB8 Wireless Receiver User Manual
- August 22, 2024
- Joyroom
Table of Contents
Joyroom JR-CB8 Wireless Receiver
Specifications
- Series name: Car-B Series
- Product name: Wireless Receiver
- Model: JR-CB8
- BT version: V5.4
- Audio decoding: AAC, SBC
- Supported protocols: HFP, A2DP, AVRCP
- Music mode: BASS, vocal
- Working frequency: 2402MHz-2480MHz
- Max output power: 1dBm (EIRP)
- BT range: 10m (barrier-free open environment)
- Frequency response range: 20Hz-20KHz
Product Usage Instructions
Product Diagram
Pairing Operation
- Turn on: Press and hold the power button for 2 seconds to turn it on manually.
- Connected: When the ice blue indicators of the 4 buttons breathe simultaneously, the receiver is ready for pairing. Turn on your phone’s Bluetooth function and search for the device JR-CB8 to connect.
- Turn off: Press and hold the power button for 3 seconds to turn it off manually. The receiver will turn off automatically if not connected for 10 minutes.
Operation Instructions
Music Function:
- Play/pause: Click once to pause or play music.
- Previous track: Click once to go to the previous track.
- Next track: Click once to go to the next track.
- Volume up/down: Click once to adjust volume during music playback or calls.
Call Function:
- Answer/end call: Click once to answer or end a call.
- Reject call: Press and hold for 1 second to reject an incoming call.
BASS and Light Control:
- Turn on/off BASS: Slide the BASS switch to ON position to enable bass, slide it to OFF position to disable bass.
- Turn on/off light: Press and hold the volume down button for 3 seconds to toggle the light on or off.
Dual Connection:
To connect two devices, first connect device 1 to the receiver, then turn
off device 1’s Bluetooth and connect device 2. Finally, turn on device 1’s
Bluetooth and connect it manually to achieve dual device connection.
FAQ
-
Q: How do I know when the wireless receiver is ready for pairing?
A: When the ice blue indicators of the buttons breathe simultaneously, the receiver is ready for pairing. -
Q: How can I enable or disable the BASS mode?
A: Slide the BASS switch to the ON position to enable bass mode and to the OFF position to disable it. -
Q: Can I connect two devices simultaneously?
A: Yes, after connecting one device, turn off its Bluetooth, connect a second device, then turn on the first device’s Bluetooth and manually connect it to achieve dual device connection.
Packing list
- Wireless Receiver
- 3.5mm audio cable
- 3.5mm audio adapter
- 3M adhesive *2
- Type-C charging cable
- User Manual & Warranty Card
For FAQs and more information, please scan
US WARRANTY CODE
149536
Email: support@joyroom.com
Parameters
- Series name: Car-B Series
- Product name: Wireless Receiver
- Model: JR-CB8
- BT version: V5.4
- Audio decoding: AAC, SBC
- Supported protocols: HFP, A2DP, AVRCP
- Music mode: BASS, vocal
- Working frequency: 2402MHz-2480MHz
- Max output power: 1dBm (EIRP)
- BT range: 10m (barrier-free open environment)
- Frequency response range: 20Hz-20KHz
- Microphone sensitivity: -38dB±2
- Music time: about 18h (70% volume)
- Talk time: about 22h (70% volume)
- Standby time (connected): about 120h
- Battery capacity: 250mAh
- Charging time: about 2h
- Charging port: TYPE-C
- Power input: 5V 1A
- Material: ABS+PC
- Size: 48.638.513.5mm
- Net weight: 17g
Product diagram
Pairing operation
Turn on
Press and hold for 2s to turn it on manually
Connected
When the ice blue indicators of the 4 buttons breathe simultaneously, it means
the wireless receiver is ready for pairing.
Turn the phone’s BT function on and search for the BT device “JR-CB8”, connect
with it.
Turn off
Press and hold for 3s to turn it off manually
The wireless receiver will turn off automatically if not connected for 10 min
Operation instructions
Music function
Play/pause: In music status, click to pause or play music
Previous track: In music status, click
Next track: In music status, click
Volume up:
In music or calling status, click +
Volume down:
In music or calling status, click –
Call function
Answer/end call:
When a call comes in, click ****to answer or end the call
Reject call:
When a call comes in, press and hold **** for 1s
Turn On/Off BASS
Turn on/off BASS: In music status, slide the BASS switch to ON position
to turn on bass, slide it to OFF position to turn off bass
Turn on/off light
Turn on/off light: In turned on status, press and hold the volume down
button for 3s
Dual connection
After device 1 is successfully connected to the wireless receiver, turn off
the device’s BT function manually and then connect device 2. After device 2 is
successfully connected to the wireless receiver, turn on device 1’s BT
function and connect it with the wireless receiver manually to realize dual
device connection.
Factory Reset
In turned on status, press and hold both the volume up and down buttons
simultaneously for 2s
Indicator light
Turn on： The ice blue indicators of the 4 buttons keep on for 1s
Turn off： The ice blue indicators of the 4 buttons turn off
simultaneously
Ready for pairing： The ice blue indicators of the 4 buttons breathe
simultaneously
Charging the wireless receiver： During charging, the ice blue indicators
of the 4 buttons slowly breathe simultaneously. When fully charged, the
indicators turn off
FAQ
Q: Why can’t the product be turned on?
A:
- Check whether the product is still with power. If not, please charge it for more than half an hour before turning it on.
- Check whether you pressed the correct button, and make sure you press and hold the button for 2s.
Q: Why can’t the product be connected?
A:
-
It may be that the product has been connected to another device (such as a computer or mobile phone). Please disconnect it from the device and make a
reconnection. -
Since the iP phone’s BT has no automatic refresh function, you can click “JR-CB8” manually on the BT interface.
-
If above operations failed, you can try factory set.
Q: Why is the sound of the product too low?
A:
-
If you are an Android user, it may be that the playback channel of the phone is not turned on. You can turn on your phone’s BT function, click the connected icon
on the right to open the media and call channel. -
If you are an iP user, please open “Settings” of your phone, check if there is a maximum volume limit on the phone.
-
Due to different operating systems of different phones, the volume of the product may not be synchronized with the volume of the phone/car audio. Please manually volume up the mobile phone, the receiver and the car audio respectively.
Q: Why can’t the product be charged?
A:
- The charging port and cable may not be connected properly, please pull the cable out and plug it in again repeatedly to make sure they are well connected.
- Use Qi-certified chargers together with the included charging cable to charge the product. Avoid using unqualified or uncertified chargers which may be incompatible or damage the product’ battery.
Safety Criteria
-
Please follow the instructions, do not disassemble the product or refit it for any reason, otherwise it may break down or burn down.
-
Do not immerse it in any liquid or wash it with water.
-
Please use adapters that conform to national/regional safety standards together with the included charging cable to charge the product, otherwise its battery may
be damaged or cause safety problems. -
Please use and store it in normal temperatures; too low or too high temperature (below 0℃ or above 45℃) is not permitted.
-
Do not use it at high volume levels or for long periods of time to avoid dizziness or hearing damage.
-
Do not use it under thunderstorm which may lead to abnormal performance and signal interruption.
It is hereby declared that this product model of JOYROOM, complies with the
provisions of Directive 2014/53/EU and Directive 2011/65/EU The full text of
the EC
Declaration of Conformity can be found on the following website:
https://www.joyroom.com
This equipment complies with the provisions of Directive 2012/19/EU and
2006/66/EU.
It is strictly forbidden to dispose of this equipment with ordinary trash. It
must be recycled.This symbol indicates that the product shall not be treated
as regular domestic trash, and must be delivered to a recycling center that is
capable of recycling electronic and electrical equipment.
WARNING
- Before installing or operating the product, please refer to the electrical and safety information on the bottom of the shell.
- Disposing of the battery by throwing it into fire or a hot oven, or by mechanically crushing or cutting it may result in an explosion.
- When the battery is exposed to extremely low air pressure, it may cause an explosion or lead to flammable liquid or gas leakage.
- Please follow the above safety instructions otherwise it will cause fire, electric shock, damage or other injuries.
FCC Radiation Exposure statement
The device has been evaluatec to meel general RF exposure requirement. The
device can be used in porlable exposure condition without restriction.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation.
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
Note: 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. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and
can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>