1. Introduction
The Ankilo Bluetooth 5.3 2-in-1 Transmitter Receiver is a versatile audio adapter designed to enhance your audio experience. It functions as both a Bluetooth transmitter (TX mode) and a Bluetooth receiver (RX mode), allowing you to connect various audio devices wirelessly. Featuring Bluetooth 5.3 technology, it offers stable connectivity, low latency, and dual-device pairing capabilities. The integrated LCD screen provides real-time information, and the device includes a BASS boost function for enhanced sound quality and dual microphones for clear hands-free calls.
Figure 1: Ankilo Bluetooth 5.3 2-in-1 Transmitter Receiver
2. Package Contents
Please check the package for the following items:
- Ankilo Bluetooth 5.3 2-in-1 Transmitter Receiver (Model BR08)
- USB-C Charging Cable
- 3.5mm AUX Audio Cable
- Airplane Dual-Plug Audio Converter
- User Manual
Figure 2: Package Contents
3. Product Overview
Familiarize yourself with the device's components and controls:
Figure 3: Device Components
- Display Screen: Shows battery level, volume, and connection status.
- Mic: For hands-free calling.
- BASS Button: One-touch activation for enhanced bass sound.
- TX/RX Button: Slide switch to select Transmitter (TX) or Receiver (RX) mode.
- Power On/Off Button: Press and hold to power on or off.
- Play/Pause Button: Controls audio playback. Double-click to pair a second device or clear pairing.
- Answer/Hang Up Button: For managing phone calls.
- Next Song/Volume + Button: Short press for next track, long press for volume up.
- Previous Song/Volume - Button: Short press for previous track, long press for volume down.
- Type-C Charge Port: For charging the device.
- AUX Audio Cable Port: For connecting to audio sources/receivers via 3.5mm jack.
4. Specifications
| Feature | Detail |
|---|---|
| Bluetooth Version | 5.3 |
| Transmission Distance | Up to 10 meters (barrier-free) |
| Battery Capacity | 400 mAh |
| Charging Time | Approximately 2 hours |
| Battery Life (RX Mode) | Up to 15 hours |
| Battery Life (TX Mode) | Up to 18 hours |
| Dimensions | 3.86 x 3.66 x 1.02 inches |
| Item Weight | 1.76 ounces |
| Special Feature | Low Latency, Dual Mics, HiFi Bass Sound, Smart Display |
5. Setup Guide
Follow these steps to set up your Ankilo Bluetooth adapter:
Figure 4: Convenient Operation Steps
- Power On: Press and hold the Power On/Off button for approximately 3 seconds until the display screen illuminates.
- Choose the Mode (TX/RX): Slide the TX/RX button on the side of the device to select your desired mode:
- TX (Transmitter) Mode: For sending audio from non-Bluetooth devices (e.g., TV, PC, MP3 player) to Bluetooth headphones or speakers.
- RX (Receiver) Mode: For receiving audio from Bluetooth-enabled devices (e.g., smartphone, tablet) and playing it through non-Bluetooth audio systems (e.g., car stereo, home speakers).
- Connect Audio Cable: Plug the 3.5mm AUX audio cable into the device's AUX port and connect the other end to your audio source (in TX mode) or audio receiver (in RX mode).
- Pairing (First Device):
- Ensure your Bluetooth headphones/speakers (TX mode) or smartphone/tablet (RX mode) are in pairing mode.
- The Ankilo adapter will automatically enter pairing mode when powered on in either TX or RX mode. The display will show a blinking Bluetooth icon.
- On your external device, search for "BR08" in the Bluetooth settings and select it to connect. The display will show a steady Bluetooth icon upon successful connection.
- Dual Device Pairing: To connect a second device simultaneously (supported in both TX and RX modes):
- After the first device is successfully paired, ensure the second device is in pairing mode.
- Double-click the Play/Pause button on the Ankilo adapter. The device will search for the second device.
- Select "BR08" on your second device's Bluetooth list to connect.
6. Operating Instructions
6.1 Basic Controls
- Play/Pause: Press the Play/Pause button once.
- Next Track: Short press the 'Next Song/Volume +' button.
- Previous Track: Short press the 'Previous Song/Volume -' button.
- Volume Up: Long press the 'Next Song/Volume +' button.
- Volume Down: Long press the 'Previous Song/Volume -' button.
- BASS Boost: Press the BASS button once to activate/deactivate the bass enhancement.
6.2 Hands-Free Calling (RX Mode Only)
When connected to your smartphone in RX mode:
- Answer Call: Press the Answer/Hang Up button once.
- End Call: Press the Answer/Hang Up button once during a call.
- Reject Call: Press and hold the Answer/Hang Up button for 2 seconds.
6.3 Using in TX Mode
Connect the adapter to devices like TVs, PCs, or in-flight entertainment systems to transmit audio wirelessly to your Bluetooth headphones or speakers.
Figure 5: Using the adapter for airplane audio (TX Mode)
6.4 Using in RX Mode
Connect the adapter to your car stereo, home speaker system, or other non-Bluetooth audio input to receive audio wirelessly from your smartphone or tablet.
Figure 6: Wide Compatibility and Mode Usage
Figure 7: Example Use Cases (TX and RX Modes)
7. Battery and Charging
The Ankilo adapter features a 400 mAh battery, providing up to 18 hours of use in TX mode and 15 hours in RX mode. To charge the device, connect the included USB-C cable to the Type-C charge port and a standard USB power source. A full charge takes approximately 2 hours. The display screen will show the battery level.
8. Safety Information
Please observe the following safety guidelines:
- Avoid using the device near other wireless devices to prevent potential interference.
- Handle the battery with care. Do not expose the device to extreme temperatures (high or low).
- Do not drop the product, as this may cause surface damage or internal malfunction.
- Do not disassemble the unit without authorization. For any issues, contact customer support.
9. Maintenance
To ensure optimal performance and longevity of your Ankilo Bluetooth adapter:
- Keep the device clean and dry. Avoid exposure to dust and humid environments.
- Store the device in a cool, dry place when not in use.
- Use only the provided charging cable or a certified USB-C cable for charging.
- The product will automatically shut down after 10 minutes of inactivity (no device connection or key operation). If connected to a device, it will not auto-shutdown; manual shutdown is required.
10. Troubleshooting
If you encounter issues with your Ankilo Bluetooth adapter, refer to the following common problems and solutions:
- Device does not power on:
- Ensure the device is fully charged. Connect it to a power source using the USB-C cable.
- Press and hold the Power On/Off button for at least 3 seconds.
- Cannot pair with a device:
- Ensure the Ankilo adapter is in the correct TX or RX mode.
- Make sure the external device (headphones, speaker, phone) is in pairing mode and within 10 meters of the adapter.
- Check if the adapter's display shows a blinking Bluetooth icon, indicating it's searching.
- Try restarting both the Ankilo adapter and the external device.
- Double-click the Play/Pause button to clear previous pairings and try again.
- No audio or poor sound quality:
- Verify that the 3.5mm AUX audio cable is securely connected to both the adapter and the audio source/receiver.
- Check the volume levels on both the Ankilo adapter and the connected audio device.
- Ensure there are no obstructions or excessive distance between the adapter and the paired Bluetooth device.
- Confirm that the correct input/output is selected on your audio source/receiver.
- Volume control issues (e.g., skips track instead of changing volume):
- Remember that a short press on the +/- buttons changes tracks, while a long press adjusts the volume. Ensure you are performing a long press for volume adjustments.
- Device automatically shuts down:
- This is normal behavior if the device is powered on for 10 minutes without any device connection or other key operation. Re-power on the device to use it.
- If the device is connected to an audio source/receiver, it will not automatically shut down. You must manually power it off.
11. Warranty and Support
Ankilo is committed to providing high-quality audio experiences. Your Ankilo Bluetooth 5.3 2-in-1 Transmitter Receiver comes with:
- 12-Month Quality Protection: Ensuring your product is free from defects in materials and workmanship under normal use.
- 60 Days Free Replacement: For any manufacturing defects within the first 60 days of purchase.
- 7*24h Customer Service: Our dedicated support team is available around the clock to assist you with any questions or concerns.
For support, please refer to the contact information provided with your purchase or visit the official Ankilo website.
