J22 Bluetooth Receiver
User Manual
Features
- Pair with mobile phone/MP3/Tablet, etc., and convert your old car stereo/home stereo/3.5mm wired headphones into wireless devices.
- Automatically connects to the last connected device.
- Supports pairing with 2 Bluetooth devices simultaneously.
- Built-in microphone for hands-free calls.
- Advanced noise cancellation technology for excellent call quality.
- Long battery life, exceeding 10 hours of usage.
- Compatible with iOS and Android devices.
- Bluetooth V5.0 with low power consumption.
Specifications
| Specification | Details |
|---|---|
| Bluetooth Version | 5.0 |
| Frequency Range | 2.4GHz |
| Output Power Category | Class 2 |
| Bluetooth Mode | HFP/HSP/A2DP/AVRCP |
| Bluetooth Range | Up to 33 feet (10 meters) |
| Battery | 250mAh |
| Working Current | 15~20mA |
| Charge Voltage | DC 5.0V |
| Charge Current | 100mA |
Product Diagram
The J22 Bluetooth Receiver features the following components:
- Microphone: For voice input during calls.
- AUX Port: A 3.5mm audio jack to connect to wired audio systems or headphones.
- Type-C Charging Port: For charging the device.
- Indicator Light: Provides status feedback.
- Next Song / Volume Up: Button for track navigation and volume control.
- Multifunction Button (MFB): Used for power, play/pause, answer/hang up, and redial functions.
- Previous Song / Volume Down: Button for track navigation and volume control.
Charge the Device
- Fully charge the product before first use. The indicator light will remain red during charging and turn off when charging is complete.
- If the device is in a low power state, the indicator light will flash red. Charge it promptly using a DC 5V power supply. Note: Do not use a power supply higher than 5V.
Note: Charge the product at least once every 3 months if it will not be used for an extended period.
Pair with Your Bluetooth-Enabled Smartphones, Tablets, etc.
- Power on the receiver. The indicator light will flash red and blue alternately, indicating it is in pairing mode.
- Turn on the Bluetooth function on your smart device (smartphone, tablet). Search for "J22" and connect.
[Diagram showing a smartphone screen with Bluetooth settings, displaying "J22" as a device to connect to.]Diagram 1: Pairing with your smart device.
[Diagram showing the J22 receiver connected via a 3.5mm audio cable to a car stereo, home stereo, or wired headphones. The receiver is also shown connected to a power source via a Type-C cable.]Diagram 2: Connecting the receiver to your audio system.
[Diagram showing the J22 receiver connected via Bluetooth to a smartphone, with a 3.5mm wired earphone plugged into the receiver's AUX port.]Diagram 3: Connecting wired earphones to the receiver.
You can now enjoy wireless music or answer hands-free calls.
Pair with Second Smartphones, Tablets, etc.
- After successfully pairing with the first smartphone, turn off the Bluetooth function on that device. The J22 receiver will automatically re-enter pairing mode.
- Turn on the Bluetooth function on the second smartphone, search for "J22", and connect.
- Turn on the Bluetooth function of the first smartphone again and select "J22" from your pairing history to reconnect.
The receiver will now be connected to two smartphones simultaneously.
[Diagram showing a smartphone's Bluetooth settings with "J22" listed as connected under 'My Devices' and potentially other devices like 'Apple Watch' and 'AirFly Pro'.]Operations
| Function | Operation |
|---|---|
| Power On/Off | Long press the Multifunction Button (MFB) for 3 seconds. |
| Play/Pause / Answer/Hang up Call | Press the MFB once. |
| Reject a Call | Long press the MFB for 2 seconds. |
| Redial the Last Number | Press the MFB twice. |
| Volume Up/Down | Long press the "+" or "-" button. |
| Next/Previous Song | Press the "+" or "-" button once. |
LED Indicator
| Status | Indicator Behavior |
|---|---|
| Power On | Indicator turns blue. |
| Pairing | Indicator flashes blue and red alternately. |
| Connected | Indicator flashes blue once every 5 seconds. |
| Battery Low | Indicator flashes red. |
| Charging | Indicator stays red. |
| Charging Finished | Indicator goes off. |
| Power Off | Indicator flashes red then goes off. |
Auto-Connect
The product will automatically pair with the last connected device when turned on. Ensure the Bluetooth feature of your smart device is enabled before turning on the Bluetooth receiver.
Auto Power Off
The product will automatically power off if it is not paired with any device within 5 minutes.
Trouble Shooting
Q1: The product can't pair with your Bluetooth-enabled phone, MP3, etc.
- Ensure the receiver is powered on and the indicator light is flashing red and blue alternately.
- Clear the pairing list on your Bluetooth-enabled phone, MP3, etc., and try pairing again.
Q2: The Bluetooth range or sound quality is not good.
Bluetooth signals can be affected by surrounding objects, which may reduce audio quality. Position the receiver without obstructions between it and your phone (or other connected devices) for optimal performance.
Packing List
- Bluetooth Receiver * 1
- 3.5mm Male to Male Connector * 1
- 3.5mm Audio Cable * 1
- Type-C Charging Cable * 1
- User Manual * 1
FCC Compliance Statement
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.
RF Exposure Compliance Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Correct Disposal of This Product (Waste Electrical & Electronic Equipment)
This marking shown on the product or its literature indicates that it should not be disposed of with other household wastes at the end of its working life.
To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this product or their local government office for details of where and how they can take this item for environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This product should not be mixed with other commercial wastes for disposal.