Introduction
The August MR285 is a versatile 2-in-1 Bluetooth audio adapter, functioning as both a transmitter and a receiver. It allows you to wirelessly stream audio from various sources to Bluetooth-enabled devices or add Bluetooth receiving capabilities to wired audio systems. With its multiple connectivity options and portable design, the MR285 offers a comprehensive solution for your audio needs.
Package Contents
- August MR285 Bluetooth Audio Transmitter and Receiver
- 3.5mm Audio Cable
- RCA Audio Cable
- USB-C Charging Cable
- User Manual
Image: Contents of the August MR285 retail box, showing the device, various cables, and the user manual.
Product Overview
Device Layout
Image: Front view of the August MR285 showing the display, central button, and control buttons on the side.
Image: Rear view of the August MR285 highlighting the USB Port, AUX-In/Out, RCA-In/Out, Coaxial-In, Optical-In, USB-C Charging Port, and Charging Indicator.
Image: Close-up of the control buttons on the side of the MR285, indicating Signal Source Switch, Volume +/- Control, LED Light, and Microphone.
Key Features
- Dual Transmitter and Receiver (2-in-1): Functions as both a Bluetooth audio transmitter (TX) and receiver (RX).
- NFC Bluetooth 5.3: Provides fast, low-latency connections with NFC tap-to-pair functionality and multipoint connection for up to two devices.
- Multiple Audio Inputs/Outputs: Supports USB, 3.5mm AUX, Optical, Coaxial, and RCA connections for wide compatibility.
- Wired Bypass Mode: Allows conversion between coaxial/optical and AUX/RCA without Bluetooth, ensuring lossless wired audio.
- Rechargeable Battery: Built-in 1000mAh battery provides 10-12 hours of wireless audio on a single charge.
- Built-in Microphone: Enables hands-free calls when used in receiver mode.
- LED Screen with RGB Display: Displays current mode and connection status, with RGB effects for low battery warnings.
Image: Diagram illustrating the MR285's dual functionality as a Bluetooth Receiver (RX Mode) and Transmitter (TX Mode).
Image: Examples of the MR285's LED screen displays for different modes and statuses, including "BLUE" (Bluetooth), "LINE", and "OFF".
Image: The MR285 connected to a USB-C charging cable, highlighting its built-in 1000mAh rechargeable battery.
Image: Diagram showing the compact dimensions of the MR285: 10cm length, 7.5cm width, and 2.2cm height.
Setup
Charging the Device
Connect the supplied USB-C charging cable to the MR285's USB-C port and a USB power source (e.g., computer USB port, USB wall adapter). The charging indicator will illuminate during charging and turn off when fully charged. A full charge takes approximately 2 hours.
Powering On/Off
To power on, press and hold the central button until the screen illuminates. To power off, press and hold the central button until the screen turns off.
Operating Modes
The August MR285 operates in two main modes: Transmitter (TX) and Receiver (RX). Use the TX/RX switch on the side of the device to select the desired mode.
Receiver (RX) Mode
In RX mode, the MR285 receives Bluetooth audio from your smartphone, tablet, or computer and outputs it to a wired audio system (e.g., speakers, headphones, car stereo) via AUX, RCA, Optical, or Coaxial connections.
- Switch the MR285 to RX mode. The screen will display "BLUE" and the Bluetooth indicator will flash.
- Enable Bluetooth on your source device (smartphone, tablet).
- Search for "August MR285" in your device's Bluetooth settings and select it to pair.
- Once paired, the Bluetooth indicator on the MR285 will become solid.
- Connect the MR285 to your wired audio system using the appropriate cable (3.5mm AUX, RCA, Optical, or Coaxial).
Multipoint Connection (RX Mode)
The MR285 can connect to two Bluetooth source devices simultaneously in RX mode. After pairing the first device, put the MR285 back into pairing mode (press and hold the central button for 3 seconds) and pair the second device. Audio will play from the currently active source.
Image: Diagram showing the MR285 in RX mode, receiving audio from two smartphones/laptops and outputting to wired speakers or a Hi-Fi system.
Transmitter (TX) Mode
In TX mode, the MR285 transmits audio from non-Bluetooth devices (e.g., TV, PC, CD player) to Bluetooth-enabled headphones or speakers.
- Switch the MR285 to TX mode. The screen will display "BLUE" and the Bluetooth indicator will flash.
- Put your Bluetooth headphones or speaker into pairing mode.
- The MR285 will automatically search for and connect to nearby Bluetooth devices. Once connected, the Bluetooth indicator will become solid.
- Connect the MR285 to your audio source (TV, PC) using the appropriate cable (3.5mm AUX, RCA, Optical, or Coaxial).
Dual Audio Connection (TX Mode)
The MR285 can transmit audio to two Bluetooth headphones/speakers simultaneously in TX mode. After connecting the first device, put the MR285 back into pairing mode (press and hold the central button for 3 seconds) and pair the second device.
Image: Diagram showing the MR285 in TX mode, transmitting audio from a TV or other audio source to two pairs of Bluetooth headphones.
NFC Pairing (RX Mode Only)
For Android devices with NFC, you can quickly pair by tapping your device to the NFC area on the MR285.
- Ensure NFC is enabled on your Android device.
- Switch the MR285 to RX mode.
- Tap your Android device to the "N" logo on the top of the MR285.
- Confirm the pairing request on your device.
Image: Image demonstrating NFC pairing by tapping an Android phone to the MR285.
USB Stick Play Mode
The MR285 can play audio files directly from a USB flash drive.
- Insert a USB flash drive containing audio files into the USB port on the MR285.
- The device will automatically switch to USB Play Mode and begin playing.
- Use the volume buttons to control playback.
Image: The MR285 playing music from a USB stick, connected to a vintage-style radio via Bluetooth.
Wired Bypass Mode
The MR285 can act as a wired audio converter, allowing you to convert coaxial or optical audio signals to AUX or RCA without Bluetooth. This is useful for connecting devices with different audio output types.
- Connect your audio source (e.g., TV) to the MR285's Optical or Coaxial input.
- Connect the MR285's AUX or RCA output to your audio system (e.g., soundbar, speakers).
- Ensure the MR285 is powered on and in the correct input mode.
Image: Diagram illustrating the MR285 in Bypass Mode, converting audio from a TV (via optical/coaxial) to a soundbar (via AUX/RCA).
Maintenance
- Keep the device dry. Avoid exposure to moisture or liquids.
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid exposing the device to extreme temperatures (hot or cold) or direct sunlight.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified service personnel for any repairs.
Troubleshooting
- Device not powering on.
- Ensure the battery is charged. Connect to a power source using the USB-C cable and allow it to charge for a few minutes before attempting to power on again.
- Cannot pair with Bluetooth device.
- Ensure the MR285 is in the correct TX/RX mode and in pairing mode (Bluetooth indicator flashing). Move devices closer to each other. Clear previous pairings on both the MR285 and your Bluetooth device if necessary, then try pairing again.
- No audio output.
- Check all cable connections to ensure they are secure. Ensure the correct input/output mode is selected on the MR285 and your audio system. Adjust volume levels on both the MR285 and the connected audio device.
- Audio quality is poor or intermittent.
- Reduce the distance between the MR285 and the connected Bluetooth device. Avoid obstacles that may block the signal. Check for interference from other wireless devices (e.g., Wi-Fi routers, cordless phones).
Specifications
| Feature | Detail |
|---|---|
| Model | MR285B |
| Bluetooth Version | 5.3 |
| Operating Modes | Transmitter (TX), Receiver (RX), Wired Bypass, USB Playback |
| Audio Inputs | 3.5mm AUX, RCA, Optical, Coaxial, USB |
| Audio Outputs | 3.5mm AUX, RCA, Optical, Coaxial |
| Battery Capacity | 1000mAh |
| Playtime | 10-12 hours |
| Charging Time | Approx. 2 hours |
| Dimensions | 10cm x 7.5cm x 2.2cm (3.94 x 2.95 x 0.98 inches) |
| Weight | 106 grams (3.74 ounces) |
| Special Features | NFC, Multipoint Connection (TX/RX), LED Display, Built-in Microphone |
Warranty and Support
This product comes with a standard manufacturer's warranty. For detailed warranty information, technical support, or to download the full user manual, please visit the August International website.
For further assistance, you may contact August support via email: service@augustint.com
