Xiaomi Mi Smart Speaker (IR Control)
User Manual
Model: LC-XMSMTSPK
1. Introduction
The Xiaomi Mi Smart Speaker (IR Control) is a versatile smart home device that combines a high-quality speaker with an LED display and integrated Google Assistant. It offers voice control for music playback, weather updates, news, and can even control conventional non-smart home appliances via its built-in IR transmitter module. This manual provides detailed instructions for setting up, operating, and maintaining your smart speaker.

Image: Front view of the Xiaomi Mi Smart Speaker, showcasing its minimalist design and the digital time display.
2. Safety Information
Please read all safety instructions carefully before using the device. Keep this manual for future reference.
- Do not expose the device to water or excessive moisture.
- Avoid placing the device near heat sources or in direct sunlight.
- Use only the power cable provided with the device.
- Do not attempt to disassemble or repair the device yourself. Refer all servicing to qualified personnel.
- Ensure proper ventilation around the speaker.
3. Package Contents
Verify that all items are present in your package:
- Xiaomi Mi Smart Speaker (IR Control)
- Power Cable
- User Manual (this document)
4. Product Overview
Familiarize yourself with the components and controls of your Mi Smart Speaker.
4.1. Speaker Components
- LED Display: Shows time and other information.
- Speaker Grille: Covers the 1.5" full-range speaker.
- Microphone Array: Two microphones for far-field voice wake-up.
- IR Transmitter: For controlling IR-enabled home appliances.
- Power Port: For connecting the power cable.
4.2. Control Buttons
The top surface of the speaker features touch-sensitive controls:
- Play/Pause Button: Controls media playback.
- Volume Up Button: Increases volume.
- Volume Down Button: Decreases volume.
- Mute Microphone Button: Toggles microphone on/off for privacy.

Image: Side view of the Xiaomi Mi Smart Speaker, highlighting its compact and elegant form factor.
5. Setup
Follow these steps for the initial setup of your Mi Smart Speaker:
- Power On: Connect the provided power cable to the speaker's power port and then to a wall outlet. The speaker will power on automatically.
- Download Google Home App: On your smartphone or tablet, download and install the Google Home app from the App Store (iOS) or Google Play Store (Android).
- Sign In: Open the Google Home app and sign in with your Google account.
- Add Device: In the Google Home app, tap the '+' icon (Add) and select "Set up device" > "New device".
- Follow On-Screen Prompts: The app will guide you through connecting the speaker to your Wi-Fi network (supports 2.4GHz/5GHz 802.11a/b/g/n/ac) and linking your Google Assistant.
- Customize Settings: Once connected, you can customize settings such as device name, room assignment, and personal preferences within the Google Home app.

Image: The smart speaker integrated into a home environment, serving as both an audio device and a digital clock.
6. Operating Instructions
Learn how to use the various features of your Mi Smart Speaker.
6.1. Voice Control with Google Assistant
The speaker has Google Assistant built-in. Simply say "Hey Google" or "Ok Google" followed by your command.
- Music Playback: "Play [song name] by [artist]", "Play my [playlist name]", "Pause", "Next song".
- Information: "What's the weather like today?", "Tell me the latest news", "What's [celebrity name]'s height?".
- Volume Control: "Turn up the volume", "Set volume to 5", "Mute".
- Alarms & Timers: "Set an alarm for 7 AM", "Set a timer for 10 minutes".
- Smart Home Control: "Turn on the lights", "Dim the living room lights" (requires compatible smart home devices linked to Google Home).
6.2. IR Control for Home Appliances
The built-in IR transmitter allows voice control of traditional non-smart home appliances (e.g., TVs, air conditioners) that use infrared remote controls. This feature works in conjunction with Google Assistant.
- Configure in Google Home App: Within the Google Home app, you may need to add and configure your IR-controlled devices. Follow the app's instructions for pairing.
- Voice Commands: Once configured, you can use commands like "Ok Google, turn on the TV", "Ok Google, set the AC to 24 degrees".
6.3. Bluetooth Connectivity
While primarily a Wi-Fi speaker, the device supports Bluetooth 5.0 for direct audio streaming from your mobile devices.
- Enable Pairing Mode: To put the speaker into Bluetooth pairing mode, open the Google Home app, select your speaker, tap the gear icon (Settings), go to "Device features" > "Audio", and then find "Paired Bluetooth Devices" to initiate pairing.
- Connect from Device: On your smartphone or tablet, go to Bluetooth settings and select "Mi Smart Speaker" from the list of available devices.
6.4. Stereo Pairing and Multi-Room Audio
Enhance your audio experience by pairing multiple speakers.
- Stereo Pairing: Combine two Xiaomi Mi Smart Speakers of the same model to create a stereo sound system. This is configured through the Google Home app.
- Multi-Room Audio: Group multiple smart speakers (including other Google Assistant-compatible speakers) in the Google Home app to play synchronized audio across different rooms.

Image: A visual representation of the speaker's sound field, indicating its ability to project audio in all directions.
7. Maintenance
To ensure the longevity and optimal performance of your speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, dry, lint-free cloth to wipe the exterior of the speaker. Do not use liquid cleaners or abrasive sprays.
- Placement: Place the speaker on a stable, flat surface away from direct sunlight, heat sources, and areas with high humidity.
- Ventilation: Ensure that the speaker's ventilation holes are not blocked to prevent overheating.
- Power Off: If the speaker will not be used for an extended period, unplug it from the power outlet.

Image: The smart speaker positioned in a typical home setting, demonstrating its discreet presence.
8. Troubleshooting
If you encounter issues with your Mi Smart Speaker, refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|
| Speaker does not power on. | Ensure the power cable is securely connected to both the speaker and a working power outlet. |
| Cannot connect to Wi-Fi. | - Check your Wi-Fi password.
- Ensure the speaker is within range of your Wi-Fi router.
- Restart your router and the speaker.
- Verify your Wi-Fi network is 2.4GHz or 5GHz.
|
| Google Assistant not responding. | - Ensure the microphone is not muted (check the mute button on top).
- Speak clearly and loudly.
- Check internet connection.
|
| IR control not working. | - Ensure the appliance is within line of sight of the speaker's IR transmitter.
- Verify the appliance is correctly configured in the Google Home app.
|
| Poor sound quality. | - Check the audio source quality.
- Adjust speaker placement to optimize sound.
- Ensure no obstructions are blocking the speaker.
|
9. Specifications
| Feature | Detail |
|---|
| Model Name | Mi Smart Speaker |
| Model Number | LC-XMSMTSPK |
| Speaker Type | Woofer, 1.5" full-range speaker |
| Connectivity Technology | Bluetooth 5.0, Wi-Fi (802.11a/b/g/n/ac, 2.4GHz/5GHz), Infrared |
| Audio Output Mode | Stereo (when paired) |
| Speaker Maximum Output Power | 12 Watts |
| Microphone Array | 2 Mics, with far field voice wake up support |
| Control Method | Touch, Voice |
| Product Dimensions | 3.74"D x 0.56"W x 3.74"H |
| Item Weight | 628 Grams (1.38 pounds) |
| Color | Gray |
| Included Components | Power Cable |
| Manufacturer | Xiaomi |
10. Warranty and Support
The Xiaomi Mi Smart Speaker (IR Control) comes with a limited warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please visit the official Xiaomi support website or contact their customer service. Keep your purchase receipt as proof of purchase.
Online Support: www.mi.com/global/support