eppfun Fly01

eppfun Fly01 Bluetooth Transmitter User Manual

Model: Fly01

1. Introduction

The eppfun Fly01 is a professional Bluetooth transmitter designed to provide wireless audio connectivity for in-flight entertainment systems and other devices with a 3.5mm audio jack. It supports advanced audio codecs like aptX, aptX HD, and aptX LL, ensuring high-quality, low-latency audio transmission. The device can connect to two Bluetooth headphones or earbuds simultaneously, making it ideal for shared listening experiences. Its integrated LED screen displays essential information such as power status, pairing mode, and connected devices.

2. Package Contents

Please verify that all items are present in your package:

  • eppfun Fly01 Bluetooth Transmitter
  • User Manual
  • USB-C Charging Cable
  • 3.5mm Audio Cable
Video: Unboxing the eppfun Fly01 Bluetooth Transmitter. This video demonstrates the contents of the eppfun Fly01 package, including the transmitter unit, user manual, charging cable, and 3.5mm audio cable.

3. Product Overview

3.1 Device Layout

eppfun Fly01 Bluetooth Transmitter showing buttons and 3.5mm audio jacks
Image: eppfun Fly01 Bluetooth Transmitter. This image displays the top and bottom views of the Fly01 transmitter, highlighting the power button, pairing buttons (A and B), and the foldable 3.5mm audio jacks.

The eppfun Fly01 features a compact design with intuitive controls. It includes two foldable 3.5mm audio jacks for versatile connectivity, a multi-function button for power and pairing, and dedicated buttons for connecting two separate audio devices.

3.2 LED Display Indicators

eppfun Fly01 LED display showing battery, device connection, and aptX indicator
Image: Fly01 LED Display. The LED screen provides real-time information on battery level, active audio codec (e.g., aptX), and the connection status of up to two paired devices (Device 1 and Device 2).

The integrated LED screen provides clear visual feedback on the device's status:

  • Battery Indicator: Shows the current battery charge level.
  • Pairing Mode: Indicated when the device is searching for headphones.
  • Connected Devices: Displays 'Device 1' and 'Device 2' icons when headphones are successfully paired.
  • Audio Codec: Shows the active audio codec (e.g., aptX) if supported by the connected headphones.

4. Setup and Pairing

4.1 Charging the Device

Before first use, fully charge the eppfun Fly01 using the provided USB-C charging cable. Connect the USB-C end to the transmitter and the USB-A end to a standard USB power adapter (not included) or a computer USB port. The battery indicator on the LED screen will show charging status and current level. A full charge provides approximately 10 hours of operation.

eppfun Fly01 Bluetooth Transmitter showing 10 hours battery life
Image: Fly01 Battery Life. The device offers approximately 10 hours of battery life on a single charge, with the battery level displayed on the screen.

4.2 Connecting to an Audio Source

The Fly01 is designed for flexibility with various audio sources:

  • Airplane Entertainment Systems: The device features two foldable 3.5mm audio jacks. For systems with a single 3.5mm port, fold one jack down. For dual 3.5mm ports (common on older aircraft), extend both jacks.
  • Other 3.5mm Audio Devices: Connect the Fly01 to any device with a 3.5mm audio output, such as portable gaming consoles, gym equipment, or older MP3 players, using the appropriate jack configuration.
eppfun Fly01 connected to an airplane entertainment system with dual audio jacks
Image: Flexible Audio Jack Configuration. The Fly01's foldable audio jacks allow connection to both single and dual 3.5mm audio input ports found in various entertainment systems, including those on airplanes.

4.3 Pairing with Headphones/Earbuds

To connect your Bluetooth headphones or earbuds to the Fly01:

  1. Power On: Press and hold the main power button on the Fly01 until the LED screen illuminates.
  2. Enter Pairing Mode (Device 1): Press and hold the 'A' button on the side of the Fly01 for approximately 3 seconds until the 'Device 1' icon on the LED screen starts flashing. This indicates it is searching for a device.
  3. Activate Headphone Pairing Mode: Put your Bluetooth headphones or earbuds into their pairing mode. Refer to your headphone's user manual for specific instructions.
  4. Connect: Place your headphones close to the Fly01. Once connected, the 'Device 1' icon will stop flashing and remain solid. The active audio codec (e.g., aptX) may also be displayed.
eppfun Fly01 pairing with a pair of over-ear Bluetooth headphones
Image: Pairing with Headphones. The Fly01 transmitter wirelessly connects to your Bluetooth headphones, allowing you to enjoy audio from the connected source.

4.4 Pairing a Second Device

The Fly01 supports simultaneous connection to two Bluetooth headphones:

  1. Ensure the first device is already paired and connected (Device 1 icon is solid).
  2. Enter Pairing Mode (Device 2): Press and hold the 'B' button on the side of the Fly01 for approximately 3 seconds until the 'Device 2' icon on the LED screen starts flashing.
  3. Activate Second Headphone Pairing Mode: Put your second pair of Bluetooth headphones or earbuds into their pairing mode.
  4. Connect: Place the second headphones close to the Fly01. Once connected, the 'Device 2' icon will stop flashing and remain solid. Both Device 1 and Device 2 icons will be solid, indicating two active connections.

Note for AirPods: AirPods must be inside their charging case to enter pairing mode. It is recommended to turn off nearby Bluetooth devices like your phone when pairing on airplanes to avoid interference.

5. Operating Instructions

5.1 Power On/Off

  • Power On: Press and hold the main power button for 2-3 seconds until the LED screen lights up.
  • Power Off: Press and hold the main power button for 3-4 seconds until the LED screen turns off.

5.2 Reconnecting to Paired Devices

Once paired, the Fly01 will automatically attempt to reconnect to the last two paired devices when powered on. Ensure your headphones are also powered on and in range.

5.3 Audio Codec Information

The eppfun Fly01 supports multiple high-quality audio codecs:

  • SBC: Standard Bluetooth audio codec.
  • aptX: Provides CD-like audio quality over Bluetooth.
  • aptX HD: Offers high-resolution audio quality, superior to standard aptX.
  • aptX LL (Low Latency): Minimizes audio delay, ideal for video and gaming, ensuring audio and visuals are synchronized.

The Fly01 will automatically select the best available codec supported by your connected headphones. The active codec will be displayed on the LED screen.

6. Maintenance

  • Keep the device dry. Moisture can damage internal circuits.
  • Do not expose the device to extreme temperatures.
  • Clean the device with a soft, dry cloth. Avoid harsh chemicals or abrasive cleaners.
  • Store the device in a cool, dry place when not in use for extended periods.

7. Troubleshooting

ProblemSolution
Device does not power on.Ensure the device is fully charged. Connect it to a power source using the USB-C cable.
Cannot pair with headphones.
  • Ensure the Fly01 is in pairing mode (flashing 'Device' icon).
  • Ensure your headphones are in pairing mode.
  • Move headphones closer to the Fly01.
  • Turn off other nearby Bluetooth devices to avoid interference.
  • For AirPods, ensure they are in their charging case when initiating pairing.
No audio or poor audio quality.
  • Check if the Fly01 is securely plugged into the audio source's 3.5mm jack.
  • Ensure the audio source is playing and its volume is turned up.
  • Verify that your headphones are connected to the Fly01 and not another device.
  • Adjust the volume on your headphones.
Short battery life.Ensure the device is fully charged before use. Battery life can vary based on volume levels and active codecs.

8. Specifications

  • Model: Fly01
  • Bluetooth Version: 5.0
  • Supported Audio Codecs: SBC, aptX, aptX HD, aptX LL
  • Connectivity: 3.5mm Auxiliary Jack (single or dual configuration)
  • Simultaneous Connections: Up to 2 headphones/earbuds
  • Battery Life: Approximately 10 hours
  • Charging Port: USB-C
  • Product Dimensions: 2 x 1.7 x 0.6 inches
  • Item Weight: 2.46 ounces
  • Manufacturer: eppfun

9. Warranty and Support

eppfun values customer satisfaction and offers a 12-month warranty for the Fly01 Bluetooth Transmitter. If you encounter any issues or have questions regarding your product, please contact our support team.

  • Warranty Period: 12 months from the date of purchase.
  • Contact Support: Please visit the official eppfun seller page on Amazon or their website for assistance.
  • Returns: Products are eligible for a full refund within 60 days of purchase if you are not satisfied or experience issues that cannot be resolved through support.