JOYROOM JR-CB7 Car-B Series Wireless Receiver User Manual

JOYROOM JR-CB7 Car-B Series Wireless Receiver User Manual

PRODUCT PICTURE

BASIC PARAMETERS

• Name: Car-B Series Wireless Receiver
• Model: JR-CB7
• BT version: V5.3
• Audio decoding: AAC, SBC
• Supported protocols: HFP, A2DP, AVRCP
• Supported modes: TF card, BT mode
• TF card capacity limit: <32G
• Working frequency: 2400MHz-2483.5MHz
• Max output power: ≤20dBm (E.I.R.P)
• BT range: 10m (barrier-free open environment)
• Frequency response range: 20Hz-20KHZ
• Microphone sensitivity: -38dB±2
• Input port: USB+AUX
• Cord length: 100cm
• Power input: 5V 1A
• Material: ABS+PC+aluminum alloy
• Size: 55mm24mm12mm
• Net weight: 21g

PAIRING OPERATION

1. Turn on
   Insert the USB power input connector, the receiver will turn on automatically when used in a car, it will turn on automatically with the startup of the car

2. Ready for pairing
   When the LED ring slowly breathes ice-blue, purple and orange at the same time, it means the  receiver is ready for pairing

3. Connected
   Turn the phone’s BT function on and search for the BT device “JR-CB7”, connect with it

4. Turn off
   The receiver will turn off automatically once disconnected from power when used in a car, it will turn on automatically with the startup of the car

OPERATION INSTRUCTION

      Music function

 Play/Pause: Click the call button to pause or I play music under music status

 Call function
 Answer/end call: Click the call button to answer or end an incoming call

 Reject call: Press and hold the call button for 1s to reject an incoming call

 Redial last number: Double-click the call button under standby status

Voice assistant
 Activate voice assistant: Press and hold the call button for 1s under music or standby status

LED ring
 Turn on/off LED ring: 5-click the bass button quickly under turned on status

Multifunctional button

Factory reset
Restore factory settings: Press and hold the bass button for 8s under turned on status

Bass mode
   Turn on/off bass:
**** Click the bass button under music status

Mode switch
****TF card, BT mode switch: x2 Double-click the bass button

Dual connection
Dual device connection: After device 1 is successfully connected to the receiver, manually turn off its BT function and connect device 2. After device 2 is successfully connected to the receiver, turn on device 1′ BT function and reconnect it to the receiver manually, so as to connect the receiver to two devices simultaneously

Auto sleep/wake-up function
Auto sleep/wake-up: The receiver will automatically enter sleep mode if not connected for 10min. Click the call button to wake it up

Reconnect function

1. If the receiver is out of the connection range and returns to the effective range within 10min, it will automatically reconnect to the connected device
2. If you manually turn off your phone’s BT function, you need to click the BT device name again to connect with it

Indicator light

Turn on: The LED ring has constant ice-blue, purple and orange light for 1s

Turn off: The LED ring turns off

Ready for pairing: The LED ring slowly breathes ice-blue, purple and orange at the same time

Connected to phone: The LED ring has constant ice-blue, purple and orange light Factory reset: The LED ring quickly flashes ice-blue, purple and orange at the same time for 5 times

FAQ

Q: Why can't the receiver be connected

Q: Why is the sound of the receiver too low?

Q: Why can't the receiver be turned on when connected with power?

A: 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/re- gional safety standards to supply power for the product. Adapters with excessive power may be incompatible. ? The product does not support PD protocol, when using PD power adapters to supply power for the product, it may be incompatible

SAFETY CRITERION

1. Please follow the instructions, do not disassemble the product or refit it for any reason, otherwise it may break down or burn down.
2. Do not immerse it in any liquid or wash it with water.
3. 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
4. Please use and store it in normal temperatures; too low or too high temperature (below OC or above 35 C) is not permitted.
5. Do not block the openings of the product, such as charging port, audio port and microphone, etc.
6. Do not use it under thunderstorm which may lead to abnormal performance and signal interruption.

FCC NOTE

This device complies with Part 15 of the FCC Rules. Operation is subject to the following 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. 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, 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.

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

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