JOYROOM JR-CB2 Pro Wireless Receiver User Manual
- June 16, 2024
- Joyroom
Table of Contents
JOYROOM JR-CB2 Pro Wireless Receiver
Product diagram
Packing list
Basic parameters
- Series name: Car-B Series
- Product name: Wireless Receiver
- Model: JR-CB2 Pro
- BT version: V5.3
- Audio decoding: AAC, SBC
- Supported protocols: HFP, A2DP, AVRCP
- Music mode: BASS, VOCAL
- Working frequency: 2402MHz-2480MHz
- BT range: 10m (barrier-free open environment)
- Frequency response range: 20Hz-20KHz
- Mic sensitivity: -38dB±2
- Music time: about 26h (70% volume)
- Talk time: about 30h (70% volume)
- Standby time (connected): about 120h
- Battery capacity: 300mAh
- Charging time: about 2h
- Charging port: TYPE-C
- Power input: 5V 1A
- Material: ABS+PC+aluminum alloy
- Size: 48mm42mm15.2mm
- Net weight: 34g
Pairing operation
Turn on
Press and hold the power button for 1.5 to turn the product manually.
Connected
When the LED ring breathes slowly, it means the wireless receiver is ready
for pairing. Turn the phone’s BT function on search for the BT device “JR-CB2
Pro”, and connect with it.
Turn off
- Press and hold the button for 3s to turn the product off manually
- The product will turn off automatically if not connected for 10 minutes
Operation instruction
Turn on/off BASS mode
Turn on/off bass: Under music status, push the BASS slider to the ON position
to turn on BASS mode, push it to the OFF position to turn off BASS mode
Dual connection
Dual device connection: After device 1 is successfully connected to the
product, turn off the device’s BT function manually and then connect device 2.
After device 2 is successfully connected to the product, turn on device 1’s BT
function and connect it to the product manually to realize a dual device
connection
Factory reset
Restore factory settings: Under turned-on status, press and hold the volume up
and down buttons simultaneously.
Indicator instructions
FAQ
Why can’t the receiver be connected?
It may be that the receiver 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-CB2 Pro” manually on the BT interface
Why is the sound of the receiver too low?
If you are an Android user, it may be that the playback channel of the mobile phone is not turned on. Please turn your phone’s BT function on, and click the icon on the right side of the connection. If you are an IP user, please open your phone’s “Settings” interface, and check if there is a maximum volume limit on the phone earphones to turn on the “media channel and call channel” image-1=
Why can’t the receiver be turned on when connected with power?
The USB charging port and cable may not be connected properly, please pull the cable out and plug it in again repeatedly to make sure it is well inserted. Please use adapters or car chargers that conform to national/regional safety standards to supply power for the product. Adapters with excessive power may be incompatible.
Safety Criterion
- 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 35℃) is not permitted.
- Do not block the openings of the product, such as the charging port, audio port microphone, etc.
- Do not use it under thunderstorms which may lead to abnormal performance and signal interruption.
Correct disposal of used electrical and electronic equipment This product
complies with Directives 2012/19/EU and 2006/66/EU. It is strictly forbidden
to dispose of this product with ordinary waste, instead, it must be recycled.
This symbol indicates that the product shall not be treated as household
waste. Instead, it must be handed over to the applicable collection point for
the recycling of
electrical and electronic equipment.
FCC NOTE
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.
This equipment has been tested and found to comply with the limits for a Class B digital device, under 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 by 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 the receiver.
- Connect the equipment to 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.
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.