Introduction
This manual provides instructions for the proper use and maintenance of your Ankilo Bluetooth 5.3 Adapter, model CP317X1. This device functions as a 2-in-1 Bluetooth transmitter, allowing you to connect non-Bluetooth audio sources to Bluetooth headphones or speakers. Please read this manual thoroughly before operating the device.

Figure 1: Ankilo Bluetooth 5.3 Adapter overview with key components labeled.
Setup and Pairing
Follow these steps to set up and pair your Ankilo Bluetooth adapter with your audio devices.
- Power On: Press and hold the multifunction button (airplane icon) for 3 seconds to turn on the device. Indicator Light 1 will illuminate.
- Initial Pairing: The adapter will automatically search for nearby Bluetooth headphones or speakers. Ensure your Bluetooth audio device is in pairing mode.
- Connect to Audio Source: Insert the 3.5mm AUX plug into the AUX port of the adapter. Connect the other end of the AUX cable to your non-Bluetooth audio source (e.g., airplane entertainment system, TV, computer).
- Successful Connection: After a successful connection to an audio device, Indicator Light 1 will remain steadily on, and Indicator Light 2 will turn off.
- Pairing a Second Device (Dual Connection): To connect a second Bluetooth audio device, click the multifunction button. The adapter will search for another device. Once connected, both Indicator Light 1 and Indicator Light 2 will turn on simultaneously.

Figure 2: Step-by-step guide for setting up and pairing the adapter.
Operating Instructions
Transmitter Mode (TX)
The Ankilo Bluetooth adapter operates exclusively in transmitter mode. It converts audio signals from non-Bluetooth devices into Bluetooth signals, allowing wireless transmission to Bluetooth headphones or speakers.
- Single Device Connection: Connect the adapter to your audio source via the 3.5mm AUX port. Pair your Bluetooth headphones or speaker. Audio will be transmitted wirelessly.
- Dual Device Connection: After connecting the first device, press the multifunction button to search for and pair a second Bluetooth device. Both devices will receive audio simultaneously. This is ideal for sharing audio with another person.
- Power Off: Press and hold the multifunction button for 3 seconds to turn off the device.

Figure 3: Using the adapter in an airplane environment to transmit audio to wireless headphones.
Battery and Charging
The adapter features a built-in rechargeable battery.
- Charging: Use the provided USB-C cable to charge the adapter. Connect the USB-C end to the adapter's charging interface and the other end to a USB power source.
- Charging Time: A full charge takes approximately 1 hour.
- Battery Life: A full charge provides up to 16 hours of continuous operation.

Figure 4: Battery life and charging details.
Maintenance
To ensure the longevity and optimal performance of your Ankilo Bluetooth adapter, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided storage bag for protection during travel.
- Charging: Charge the device regularly, even if not in frequent use, to maintain battery health. Avoid overcharging or completely draining the battery for extended periods.
- Handling: Handle the device with care. Avoid dropping it or subjecting it to strong impacts.
Troubleshooting
If you encounter issues with your Ankilo Bluetooth adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery. | Charge the adapter using the provided USB-C cable. |
| Cannot pair with Bluetooth headphones/speakers. |
|
|
| No audio or poor audio quality. |
|
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| Cannot connect a second device. | Second device not in pairing mode or already connected to another source. | Ensure the second Bluetooth device is in pairing mode and not connected to any other device. Press the multifunction button on the adapter to initiate search for the second device. |
Specifications
| Model Number | CP317X1 |
| Brand | Ankilo |
| Bluetooth Version | 5.3 |
| Connectivity Technology | AUX, Bluetooth |
| Power Source | Battery Powered |
| Battery Type | 1 Lithium Metal Battery (Rechargeable) |
| Battery Capacity | 240 mAh |
| Charging Time | Approx. 1 hour (via USB-C) |
| Operating Time | Up to 16 hours |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Dimensions (L x W x H) | 20mm x 30mm x 50mm |
| Color | Black |
| Wireless Communication Standard | 2.4 GHz Radio Frequency |
| Compatible Devices | Headphones, Computers, Smart TVs, Airplane Entertainment Systems |
| Special Feature | Connects two devices simultaneously |
| Control Method | Push Button |
| Box Contents | Bluetooth Transmitter Receiver, 1 Type-C Data Cable, 1 AUX Audio Cable, 1 Metal AUX Plug, 1 User Manual, 1 Storage Bag |
Warranty and Support
For warranty information or technical support, please refer to the documentation included in your product packaging or contact Ankilo customer service through your retailer. Keep your purchase receipt for warranty claims.
For further assistance, please visit the official Ankilo website or contact your point of purchase.