RIWUSI Bluetooth AUX Adapter (BC61) and Bluetooth Transmitter Receiver (J51) Instruction Manual

1. Introduction

Thank you for choosing the RIWUSI Bluetooth AUX Adapter (BC61) and Bluetooth Transmitter Receiver (J51) set. This manual provides detailed instructions for the safe and efficient use of both devices. The BC61 is designed to bring Bluetooth audio streaming and hands-free calling to your car's stereo system via FM transmission, while the J51 offers versatile Bluetooth audio transmission and reception capabilities for various devices.

2. Safety Information

Please read and follow these safety guidelines carefully to ensure proper operation and prevent damage or injury:

• Avoid disposing of batteries in fire.
• Keep the device away from water and other liquids.
• Do not open or attempt to repair the device, as it may contain parts that can cause injuries or electrical shocks. Unauthorized modifications will void the warranty.
• Operate the devices within the specified voltage range (12 Volts DC for BC61).
• Ensure proper ventilation when using the car adapter to prevent overheating.

3. Product Overview

3.1 RIWUSI BC61 Bluetooth AUX Adapter for Car

The BC61 is a car charger and FM transmitter that allows you to stream audio from your Bluetooth-enabled device to your car's FM radio. It features dual fast charging ports (Type-C and USB QC3.0) and a durable zinc alloy shell.

Image: The BC61 adapter provides seamless Bluetooth connectivity for car audio systems.

Image: The BC61 features a robust zinc alloy shell for enhanced durability.

Image: The BC61 includes Type-C (PD 30W) and USB (QC3.0 18W) dual fast charging ports.

3.2 RIWUSI J51 Bluetooth Transmitter Receiver

The J51 is a versatile 2-in-1 device that can act as a Bluetooth transmitter (TX mode) to send audio from non-Bluetooth devices to Bluetooth headphones/speakers, or as a Bluetooth receiver (RX mode) to enable Bluetooth audio streaming on wired speakers or car AUX inputs. It supports dual connections and offers long battery life.

Image: The J51 supports dual connections, allowing two Bluetooth headphones to pair simultaneously.

Image: The J51 offers extended battery life for prolonged use.

4. Setup Instructions

4.1 Setting up the BC61 Bluetooth AUX Adapter (Car)

1. Insert into Car Lighter Socket: Plug the BC61 into your car's 12V cigarette lighter socket. The device will power on automatically.
2. Set FM Frequency: Tune your car's FM radio to an empty frequency (one with no static or strong broadcast). Then, adjust the BC61 to match this frequency. Refer to the device's display and controls for frequency adjustment.
3. Pair with Bluetooth Device: On your smartphone or other Bluetooth-enabled device, search for available Bluetooth devices and select "BC61" to pair. Once paired, audio from your device will be transmitted to your car's stereo.

4.2 Setting up the J51 Bluetooth Transmitter Receiver

1. Charge the Device: Before first use, fully charge the J51 using a standard USB charger.
2. Select Mode (TX/RX): Use the switch on the device to select either Transmitter (TX) or Receiver (RX) mode.
3. Connect Audio Cable:
   • RX Mode: Connect the J51 to your non-Bluetooth speaker, car AUX input, or headphones using the 3.5mm audio cable.
   • TX Mode: Connect the J51 to your non-Bluetooth audio source (e.g., TV, PC, MP3 player) using the 3.5mm audio cable.
4. Pair with Bluetooth Device:
   • RX Mode: On your smartphone or other Bluetooth-enabled device, search for available Bluetooth devices and select "J51" to pair.
   • TX Mode: Put your Bluetooth headphones or speaker into pairing mode. The J51 will automatically search and connect to nearby Bluetooth audio devices.

5. Operating Instructions

5.1 Operating the BC61 Bluetooth AUX Adapter (Car)

• Music Playback: Once paired, play music from your phone. Use the controls on the BC61 (if available) or your phone to adjust volume, skip tracks, or pause/play.
• Hands-Free Calling: When a call comes in, the BC61 will typically switch to call mode. Press the designated button (often the multi-function button) to answer or end calls.
• Charging Devices: Use the Type-C (PD 30W) and USB (QC3.0 18W) ports to fast charge your compatible devices.

5.2 Operating the J51 Bluetooth Transmitter Receiver

• RX Mode (Receiver): Allows your wired speakers, headphones, or car stereo to receive Bluetooth audio from your phone, tablet, or laptop. Simply pair your audio source with the J51.
• TX Mode (Transmitter): Enables non-Bluetooth audio sources (e.g., TV, PC, CD player) to transmit audio wirelessly to Bluetooth headphones or speakers. Connect the J51 to the audio source and pair with your Bluetooth audio output device.
• Dual Connection (J51): In TX mode, the J51 can connect to two Bluetooth headphones/speakers simultaneously. In RX mode, it can connect to two Bluetooth audio sources (though only one can play at a time).

6. Maintenance

• Clean the devices with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Store the devices in a cool, dry place when not in use.
• Avoid exposing the devices to extreme temperatures or direct sunlight.

7. Troubleshooting

• No Power (BC61): Ensure the car lighter socket is functional and the BC61 is fully inserted. Check your car's fuse for the lighter socket.
• No Power (J51): Ensure the J51 is charged. If not, connect it to a USB power source.
• No Audio/Poor Audio Quality:
  • BC61: Ensure the FM frequency on the BC61 matches your car radio's frequency and that the frequency is clear of other broadcasts. Adjust volume on both the BC61 and your car stereo.
  • J51: Check that the 3.5mm audio cable is securely connected. Ensure the J51 is in the correct TX/RX mode. Verify that the paired Bluetooth device is within range and its volume is up.
• Unable to Pair:
  • Ensure the device is in pairing mode (usually indicated by a flashing LED).
  • Turn off and on Bluetooth on your source device.
  • Move closer to the device.
  • Clear previous Bluetooth connections on both devices and try pairing again.

8. Specifications

9. Warranty and Support

For warranty information and customer support, please refer to the product packaging or contact RIWUSI customer service directly. Keep your purchase receipt as proof of purchase.