1Mii ML301
1Mii ML301 Bluetooth 5.3 Transmitter Receiver
User Manual
Product Overview
The 1Mii ML301 is a versatile 2-in-1 Bluetooth audio adapter designed to function as both a transmitter (TX) and a receiver (RX). It incorporates the latest Bluetooth 5.3 technology, ensuring stable and efficient wireless connections. With support for aptX HD and aptX Low Latency codecs, it delivers high-fidelity audio and minimizes audio-visual synchronization issues, making it ideal for various applications from home entertainment to on-the-go use.
Image: The 1Mii ML301 Bluetooth 5.3 Transmitter Receiver, showcasing its compact design and 3.5mm audio jack.
Key Features
- 2-in-1 Functionality: Seamlessly switch between Transmitter (TX) mode to add Bluetooth to non-Bluetooth devices (TV, PC, gym equipment) and Receiver (RX) mode to enable Bluetooth streaming on wired speakers or car/home stereo systems.
- Bluetooth 5.3: Utilizes the latest Bluetooth technology for enhanced stability, faster pairing, and backward compatibility with older Bluetooth versions (5.2/5.0/4.2/4.0/3.0/2.0).
- aptX HD & aptX Low Latency: Supports advanced audio codecs for high-definition sound quality (aptX HD) and significantly reduced audio delay (aptX Low Latency), ensuring synchronized audio and video.
- Long Battery Life: Offers up to 12 hours of continuous streaming in TX mode and 15 hours in RX mode on a single charge (approximately 2 hours charging time).
- Easy Setup: Plug-and-play design with support for both 3.5mm AUX and USB-A output. Compatible with Windows 7/8/10, macOS, Linux, Ubuntu, PS4, and Nintendo Switch for USB-A output.
- Ultra-Portable: Lightweight and compact design with a built-in rechargeable battery for convenient use anywhere.
- Dual Connection: Supports connecting to two Bluetooth devices simultaneously in aptX Low Latency mode.
Image: Illustration highlighting the advanced Bluetooth 5.3 chipset for enhanced performance.
Image: Visual representation of the ML301's long-lasting battery, indicating 15 hours in RX mode and 12 hours in TX mode.
Setup and Connection
Charging the Device
Before first use, fully charge the 1Mii ML301. Connect the device to a USB power source (e.g., computer USB port, USB wall adapter) using the provided charging cable. The LED indicator will show charging status and turn off when fully charged.
Switching Modes (TX/RX)
The 1Mii ML301 features a switch on the side to toggle between Transmitter (TX) mode and Receiver (RX) mode. Ensure the switch is set to the desired mode before connecting to your audio source or device.
Image: Diagram illustrating the difference between Transmitter (TX) and Receiver (RX) modes and their typical applications.
Transmitter (TX) Mode Setup
In TX mode, the ML301 transmits audio from a non-Bluetooth device to Bluetooth headphones or speakers.
- Set the ML301 switch to "TX".
- Connect the ML301 to your audio source (e.g., TV, PC, MP3 player, gym equipment) using the 3.5mm AUX cable or USB-A cable.
- Power on your Bluetooth headphones or speakers and put them into pairing mode.
- The ML301 will automatically search for and connect to nearby Bluetooth devices. Once connected, the LED indicator will confirm the connection.
Image: A comprehensive diagram showing various devices that can be connected to the ML301 in TX mode, including TVs, PCs, and gaming consoles, transmitting audio to Bluetooth headphones and speakers.
Image: A laptop connected to a speaker via the 1Mii ML301 in Transmitter (TX) mode, demonstrating wireless audio streaming.
Receiver (RX) Mode Setup
In RX mode, the ML301 receives audio from a Bluetooth-enabled device (e.g., smartphone, tablet, laptop) and outputs it to a wired audio system.
- Set the ML301 switch to "RX".
- Connect the ML301 to your wired audio system (e.g., car stereo, home stereo, wired speakers) using the 3.5mm AUX cable.
- On your Bluetooth-enabled device (smartphone, tablet), search for "1Mii ML301" in the Bluetooth settings and pair with it.
- Once connected, you can stream audio from your device to your wired audio system.
Image: A diagram illustrating various wired audio systems that can receive Bluetooth audio from the ML301 in RX mode, including car stereos and home speakers.
Image: The 1Mii ML301 connected to a car stereo in Receiver (RX) mode, enabling wireless audio streaming from a smartphone.
Operating the Device
Dual Connection (TX Mode)
The ML301 supports connecting to two Bluetooth headphones/speakers simultaneously in TX mode, especially useful for sharing audio experiences.
- Connect the first Bluetooth device as described in the TX Mode Setup.
- Once the first device is connected, put the second Bluetooth device into pairing mode.
- The ML301 will automatically search for and connect to the second device. Both devices will then receive audio from the ML301.
Image: A couple watching TV, both wearing Bluetooth headphones connected simultaneously to the 1Mii ML301, demonstrating the dual connection feature.
Audio Latency and Codecs
The ML301 supports aptX HD for high-quality audio and aptX Low Latency (aptX LL) for minimal audio delay. For aptX LL to function effectively, both the ML301 and your connected Bluetooth receiving device (headphones/speakers) must support aptX LL.
Image: A bar chart comparing audio latency across different Bluetooth codecs, highlighting the low latency of aptX LL.
Image: A boy playing a video game on a PS4, with the 1Mii ML301 connected to the TV, emphasizing the benefit of aptX Low Latency for synchronized gaming audio.
Maintenance
- Keep the device dry. Avoid exposure to moisture or liquids.
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the device in a cool, dry place when not in use.
- To preserve battery life, avoid fully discharging the battery frequently and charge it regularly if stored for long periods.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device does not power on. | Ensure the device is fully charged. Connect it to a power source and check the charging indicator. |
| Cannot pair with Bluetooth device. |
|
| Audio delay/lag (in TX mode). | Ensure both the ML301 and your Bluetooth headphones/speakers support aptX Low Latency (aptX LL). If not, some delay may be unavoidable. |
| No sound or low volume. |
|
| Incompatible with AirPods Pro 2nd Gen. | As stated in product features, the ML301 is not compatible with AirPods Pro 2nd Gen. Please use other compatible Bluetooth headphones. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | 1Mii ML301 |
| Bluetooth Version | 5.3 |
| Supported Codecs | aptX HD, aptX Low Latency, aptX Adaptive, SBC, AAC |
| Operating Modes | Transmitter (TX), Receiver (RX) |
| Audio Output Mode | Stereo |
| Connectivity | 3.5mm AUX, USB-A (for data/power in TX mode) |
| Battery Type | Lithium Polymer (included) |
| TX Playtime | Up to 12 hours (at 70% volume) |
| RX Playtime | Up to 15 hours (at 70% volume) |
| Charging Time | Approximately 2 hours |
| Dimensions | 13.9 x 9.8 x 1.9 cm |
| Weight | 100 g |
| Material | Plastic |
Warranty and Support
For warranty information and technical support, please refer to the official 1Mii website or contact 1Mii customer service directly. Keep your purchase receipt for warranty claims.
You can visit the official 1Mii store on Amazon for more information and support: 1Mii Official Store
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