1. Introduction
The 1Mii ML300 is a compact and versatile Bluetooth 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 wirelessly stream audio to and from a wide range of devices. With support for advanced audio codecs like aptX Adaptive, aptX HD, and aptX Low Latency, the ML300 delivers high-fidelity sound with minimal delay, perfect for music, movies, and gaming.
2. Produit terminéview
2.1. Contenu du colis
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- Unité émettrice-réceptrice Bluetooth 1Mii ML300
- Câble de charge USB Type-C
- Câble audio 3.5 mm

Image: The 1Mii ML300 package contents, showing the main unit, a USB Type-C charging cable, and a 3.5mm audio cable.
2.2. Disposition de l'appareil
Familiarize yourself with the buttons and ports on your ML300 device:
- Commutateur TX/RX : Permet de basculer entre les modes émetteur et récepteur.
- Boutons d'appairage (1 et 2) : Used to initiate pairing with Bluetooth devices.
- Prise audio 3.5 mm : For connecting to audio sources (TX mode) or audio output devices (RX mode).
- Port USB Type-C : Pour charger l'appareil.

Image : Un gros plan view of the 1Mii ML300 Bluetooth adapter, highlighting its illuminated pairing buttons and the connected 3.5mm audio cable.
3. Installation
3.1. Chargement de l'appareil
Before first use, fully charge the ML300. Connect the provided USB Type-C cable to the charging port on the device and the other end to a USB power adapter (not included) or a computer's USB port. The LED indicator will show charging status and turn off when fully charged. The device can be used while charging.

Image: The 1Mii ML300 device being charged via its USB-C port, illustrating its long battery life of up to 15 hours.

Image: The 1Mii ML300 connected to a laptop and a Bluetooth speaker, demonstrating its ability to be used while charging, ensuring uninterrupted audio playback.
3.2. Mise sous/hors tension
To power on the ML300, slide the TX/RX switch to either the TX or RX position. To power off, slide the switch to the OFF (middle) position.
3.3. Mode Selection (TX/RX)
The ML300 operates in two modes: Transmitter (TX) and Receiver (RX). Use the slide switch on the side of the device to select the desired mode.
- Mode Émission : Transmits audio from non-Bluetooth devices (e.g., TV, PC) to Bluetooth headphones or speakers.
- Mode de réception : Receives audio from Bluetooth-enabled devices (e.g., smartphone, tablet) and outputs it to non-Bluetooth audio systems (e.g., wired speakers, car stereo).

Image: A visual guide illustrating the different connection possibilities for the 1Mii ML300 in both Transmitter (TX) and Receiver (RX) modes, including PCs, TVs, headphones, speakers, smartphones, and car audio systems.
4. Modes de fonctionnement
4.1. Mode émetteur (TX)
In TX mode, the ML300 adds Bluetooth capability to your non-Bluetooth audio sources. This allows you to stream audio wirelessly to Bluetooth headphones or speakers.
- Faites glisser le commutateur vers le TX position.
- Connect the ML300 to your audio source (e.g., TV, PC, MP3 player) using the 3.5mm audio cable.
- Mettez vos écouteurs ou votre enceinte Bluetooth en mode appairage.
- Press one of the pairing buttons (1 or 2) on the ML300 to initiate pairing. The LED will flash, indicating it's searching for a device.
- Once connected, the LED will turn solid, and audio will be transmitted wirelessly.
TX Mode Applications:
- Audio TV : Connect to your TV's audio output to watch shows or movies with Bluetooth headphones without disturbing others.
- PC/Laptop Audio: Stream audio from your computer to Bluetooth speakers or headphones.
- Consoles de jeux : Connect to your game console's audio output for wireless gaming audio.
- Divertissement en avion : Enjoy in-flight entertainment wirelessly with your own Bluetooth headphones.
- Équipement de gym : Transmit audio from gym machines with 3.5mm jacks to your Bluetooth earphones.

Image: A user enjoying TV audio privately with Bluetooth headphones, facilitated by the 1Mii ML300 acting as a transmitter.

Image: The 1Mii ML300 connected to a laptop's audio jack, wirelessly transmitting audio to a Bluetooth speaker, enabling a clean, cable-free desktop setup.

Image: A gamer using the 1Mii ML300 to connect Bluetooth headphones to a game console, providing wireless audio for an immersive gaming experience.

Image: A passenger on an airplane using the 1Mii ML300 to connect their Bluetooth headphones to the in-flight entertainment system, allowing for wireless audio enjoyment.

Image: An individual exercising on a treadmill, using the 1Mii ML300 to wirelessly transmit audio from the gym equipment to their earphones, providing a tangle-free workout experience.
4.2. Mode récepteur (RX)
In RX mode, the ML300 receives Bluetooth audio from your smartphone, tablet, or laptop and outputs it to a non-Bluetooth audio system.
- Faites glisser le commutateur vers le RX position.
- Connect the ML300 to your audio output device (e.g., wired speaker, car stereo) using the 3.5mm audio cable.
- Enable Bluetooth on your smartphone, tablet, or laptop and search for
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