1. Introduction
The PONYBRO M8 is a versatile Bluetooth 5.0 audio adapter designed to function as both a receiver and a transmitter. This 2-in-1 device allows you to stream high-quality audio wirelessly, connecting modern Bluetooth-enabled devices to traditional audio systems, or enabling non-Bluetooth devices to transmit audio to Bluetooth headphones or speakers. It supports multiple audio interfaces including AUX, RCA, Optical, Coaxial, USB, and TF Card, offering broad compatibility for various home and car stereo setups.

Image 1.1: The PONYBRO M8 Bluetooth 5.0 Audio Adapter, showcasing its compact design and versatile connectivity options for various audio setups.
2. What's in the Box
Please check the package contents to ensure all items are present:
- 1 x M8 Bluetooth Adapter
- 1 x Remote Controller
- 1 x AUX 3.5mm Audio Cable
- 1 x RCA Audio Cable
- 1 x Type-C Charging cable

Image 2.1: Contents of the PONYBRO M8 package, including the adapter, remote, and various audio cables for comprehensive connectivity.
3. Product Features
The PONYBRO M8 is equipped with several features to enhance your audio experience:
- Rich and Stronger Interfaces: Supports AUX, RCA, Digital Optical Fiber, Coaxial, USB flash drive, and TF card inputs/outputs to meet diverse audio connection requirements.
- HD Digital Display: Features an innovative LED soft light digital display screen that clearly shows the current operating status (RX/TX mode, input/output type, playing mode) to prevent blind operation.
- Bluetooth 5.0 Performance: Utilizes a premium Bluetooth 5.0 chipset for fast, stable, and high-quality wireless audio transmission. It ensures HiFi audio performance and supports aptX, aptX Low Latency, aptX HD, AAC, and SBC decoding.
- NFC Quick Connect: Allows for faster and more powerful wireless pairing with NFC-enabled phones by simply tapping the device.
- Large Capacity Lithium Battery: Built-in 500mAh high-capacity lithium battery provides approximately 8 hours of playtime on a single 1-hour charge, offering portability and continuous use.
- Infrared Remote Control: Includes a remote control for convenient operation from 5-8 meters away, allowing adjustment of volume, track skipping, mode switching, and more.

Image 3.1: Key features of the PONYBRO M8, highlighting its rich interfaces, clear HD digital display, and robust Bluetooth 5.0 performance.

Image 3.2: Additional features of the PONYBRO M8, including NFC for quick pairing, a large capacity lithium battery, and infrared remote control functionality.
4. Setup and Operation
4.1 Powering On/Off
- To power on, press and hold the power button until the display lights up.
- To power off, press and hold the power button until the display turns off.
4.2 Operating Modes (Receiver & Transmitter)
The M8 can operate in two primary modes: Receiver (RX) and Transmitter (TX). Use the mode switch button on the device or remote to toggle between modes.

Image 4.1: Diagram illustrating the setup for both Receiving (RX) and Transmitting (TX) modes, showing connections to various audio devices.
4.2.1 Receiver (RX) Mode
In RX mode, the M8 receives Bluetooth audio from your smartphone, tablet, or PC and outputs it to a non-Bluetooth audio system (e.g., home stereo, car stereo, wired headphones) via AUX, RCA, Optical, or Coaxial connections.
- Switch the M8 to RX mode. The display will show "RX".
- Connect the M8 to your audio system using the appropriate cable (3.5mm AUX, RCA, Optical, or Coaxial).
- Enable Bluetooth on your source device (smartphone, tablet, etc.) and search for "M8".
- Select "M8" to pair. Once paired, the display will show "BLUE" and you can stream audio.
4.2.2 Transmitter (TX) Mode
In TX mode, the M8 transmits audio from a non-Bluetooth source device (e.g., TV, PC, projector, amplifier) to Bluetooth headphones or speakers via AUX, RCA, Optical, or Coaxial connections.
- Switch the M8 to TX mode. The display will show "TX".
- Connect your non-Bluetooth audio source to the M8 using the appropriate cable (3.5mm AUX, RCA, Optical, or Coaxial).
- Put your Bluetooth headphones or speakers into pairing mode.
- The M8 will automatically search for and connect to nearby Bluetooth devices. Once connected, the display will show "BLUE" and audio will be transmitted.
4.3 USB Disk / TF Card Playback
The M8 supports direct audio playback from a USB flash drive or TF (MicroSD) card.
- Insert a USB flash drive or TF card (up to 64GB) containing audio files into the respective port on the M8.
- The device will automatically switch to USB or TF card playback mode. The display will show "USB" or "TF".
- Use the remote control or device buttons to play/pause, skip tracks, and adjust volume.

Image 4.2: The PONYBRO M8 supports direct audio playback from USB flash drives and TF cards, offering versatile media options.
5. Controls and Indicators
5.1 Device Controls
The M8 features intuitive buttons on its top panel for basic control:
- Power Button: Press and hold to power on/off. Short press to switch modes (RX/TX).
- Play/Pause Button: Controls media playback.
- Previous/Next Track Buttons: Skips to the previous or next audio track.
- Volume Up/Down Buttons: Adjusts the audio output volume.
5.2 Remote Control Functions
The included infrared remote control provides comprehensive control over the M8's functions:
- Power: Turn the device on/off.
- Signal Switching: Cycle through input/output modes (Bluetooth, AUX, Optical, Coaxial, USB, TF).
- Volume +/-: Adjust volume.
- Previous/Next: Skip tracks.
- Play/Pause: Control media playback.
- Mute: Mute/unmute audio.
- Loop: Control playback loop for USB/TF card.

Image 5.1: Detailed layout of the PONYBRO M8 remote control, showing all buttons and their respective functions for easy operation.
5.3 LED Digital Display
The front LED display provides real-time status information:
- RX/TX: Indicates Receiver or Transmitter mode.
- AUX/OPT/COA: Shows the active audio input/output type (AUX, Optical, Coaxial).
- USB/TF: Indicates USB disk or TF card playback mode.
- BLUE: Confirms successful Bluetooth connection.
- Time/Track Info: Displays playback time or track number in USB/TF mode.

Image 5.2: The PONYBRO M8's HD LED digital display, showing various status indicators for Bluetooth mode, U disk, TF card, Coaxial, and Optical fiber modes.
6. Maintenance
To ensure the longevity and optimal performance of your PONYBRO M8, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the device. Do not use liquid cleaners or aerosols.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or subjecting it to strong impacts.
- Charging: Use the provided Type-C charging cable. Do not overcharge the battery.
7. Troubleshooting
If you encounter issues with your PONYBRO M8, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery drained; Power cable not connected properly. | Charge the device using the Type-C cable. Ensure the cable is securely connected. |
| Cannot pair via Bluetooth | Device not in pairing mode; Too far from source; Interference. | Ensure the M8 is in the correct RX/TX mode and pairing mode. Move closer to the source device. Reduce interference from other wireless devices. |
| No audio output/input | Incorrect cable connection; Wrong mode selected; Volume too low. | Verify all audio cables are securely connected to the correct ports. Ensure the M8 is in the correct RX/TX mode. Adjust volume on both the M8 and connected devices. |
| Remote control not working | Battery drained; Obstruction; Out of range. | Replace the remote control battery. Ensure no objects are blocking the signal path. Operate within the 5-8 meter range. |
| Audio delay/lag (TX mode) | Non-aptX Low Latency connection; Interference. | Ensure both the M8 and your Bluetooth headphones/speakers support aptX Low Latency for minimal delay. Reduce wireless interference. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | M8 |
| Bluetooth Version | 5.0 |
| Supported Codecs | aptX, aptX Low Latency, aptX HD, AAC, SBC |
| Connectivity Technology | Bluetooth, AUX, RCA, Optical, Coaxial, USB, TF Card |
| Battery Capacity | 500 mAh Lithium Polymer |
| Playtime | Approx. 8 hours |
| Charging Time | Approx. 1 hour |
| Wireless Range | Up to 10 meters (33 feet) barrier-free |
| Product Dimensions | 3.38"D x 2.55"W x 0.86"H (8.59 x 6.48 x 2.18 cm) |
| Item Weight | 2.47 ounces (70 grams) |
| Color | Black |
9. Warranty and Customer Support
PONYBRO offers comprehensive after-sales support for your M8 Bluetooth Audio Adapter:
- Quality Issue Support: Two years of support for quality-related issues.
- Exchange or Return: 12 months exchange or return policy.
- Online Service: 24-hour online customer service staff available to assist with any issues.
How to Contact Support:
If you encounter any problems or have questions, please contact PONYBRO customer service. You can typically find the "Contact Seller" option in your Amazon account under your order details. This will allow you to send a message directly to the seller for assistance.

Image 9.1: PONYBRO's commitment to customer satisfaction, offering 24-hour online service and extended support for product issues.





