1. Product Overview
The J55 is a versatile Bluetooth 6.0 device that functions as both a transmitter and a receiver, designed to upgrade your audio experience. It allows you to convert wired audio devices into wireless ones, enabling seamless connectivity with Bluetooth-enabled headphones, speakers, and other devices. It features a 3.5mm audio interface for broad compatibility and a Type-C charging port.
2. Setup and Connection
The J55 operates in two primary modes: Receiver (RX) and Transmitter (TX). Ensure the device is charged before use.
2.1. Receiver Mode (RX)
In RX mode, the J55 receives Bluetooth signals from your smartphone, tablet, or PC and outputs audio to wired devices such as car audio systems, traditional wired speakers, or wired headphones.
- Plug the 3.5mm audio jack of the J55 into the AUX input of your car stereo, wired speaker, or the audio input of your wired headphones.
- Enable Bluetooth on your smartphone, tablet, or PC.
- Search for the J55 device in your Bluetooth settings and pair with it.
- Once paired, audio from your source device will play through the connected wired audio system.
2.2. Transmitter Mode (TX)
In TX mode, the J55 transmits audio from non-Bluetooth devices like PCs or TVs to Bluetooth headphones or speakers.
- Plug the 3.5mm audio jack of the J55 into the audio output port of your PC or TV.
- Ensure your Bluetooth headphones or speakers are in pairing mode.
- The J55 will automatically search for and connect to nearby Bluetooth audio devices.
- Once connected, audio from your PC or TV will be transmitted wirelessly to your Bluetooth headphones or speakers.
3. Operating Instructions
3.1. Power On/Off
The J55 typically powers on automatically when connected to a power source or when the main button is pressed and held. To power off, press and hold the main button until the indicator lights turn off.
3.2. Bluetooth Pairing
In either RX or TX mode, the device will automatically enter pairing mode if no previously paired device is found. Indicator lights will typically flash to show pairing status. Once a device is found and connected, the lights will stabilize.
3.3. Hands-Free Calling (RX Mode)
When in Receiver (RX) mode and connected to a smartphone, the J55 supports hands-free calling via its built-in microphone.
- Answer/End Call: Press the orange multi-function button once.
- Reject Call: Press and hold the orange multi-function button.
3.4. Audio Quality
The J55 is designed to provide CD-level lossless sound quality, ensuring clear audio transmission with high decoding and sampling rates, reducing noise and current interference.
3.5. Transmission Range
The device offers a communication distance of up to 10 meters, providing flexibility for placement within a room or vehicle.
4. Maintenance
- Keep the device dry. Avoid exposure to moisture or liquids.
- Clean the device gently with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the device in a cool, dry place away from extreme temperatures.
- Avoid dropping or subjecting the device to strong impacts.
5. Troubleshooting
- Device not powering on: Ensure the device is fully charged or connected to a power source via the Type-C port.
- Cannot pair with a device: Make sure both the J55 and the target device are in pairing mode and within the 10m communication range. Try restarting both devices.
- No audio output/input: Check all 3.5mm audio connections to ensure they are securely plugged in. Verify the correct mode (RX/TX) is selected for your setup.
- Poor audio quality: Ensure there are no obstructions between the J55 and the connected Bluetooth device. Move closer to reduce interference.
6. Specifications
| Feature | Detail |
|---|---|
| Product Name | Bluetooth Receiver / Transmitter |
| Model No. | J55 |
| Color | Black |
| Bluetooth Version | V 6.0 |
| Output Interface | 3.5mm Audio Interface |
| Communication Distance | 10 meters |
| Charging Interface | Type-C |
| Accessory Type | Charger Accessories (Note: Charger not included) |
| Battery Included | No (refers to external battery, device has internal for operation) |
| High-concerned chemical | None |
| Certification | CE |
| Package Weight | 0.06 kg |
| Package Dimensions | 5 x 5 x 5 cm |
7. Warranty and Support
For any issues or support inquiries, please contact the seller directly through the platform where you purchased the product. Provide your order details and a clear description of the problem for efficient assistance.
8. User Tips
- Versatile Use: This device is excellent for upgrading older car audio systems or home stereo setups to support Bluetooth streaming.
- Travel Companion: Use it on airplanes to connect your wireless headphones to the in-flight entertainment system.
- Night Owl Viewing: Connect to your TV in TX mode to watch shows or movies with Bluetooth headphones without disturbing others.
- Clear Communication: If you encounter any problems, communicate clearly with the seller through the platform's messaging system for the best resolution.
