Tronsmart Mirtune C3
Tronsmart Mirtune C3 Portable Bluetooth Speaker User Manual
Model: Mirtune C3 | Brand: Tronsmart
Introduction
The Tronsmart Mirtune C3 is a portable Bluetooth speaker designed for high-fidelity audio experiences. Featuring 24W stereo sound, IPX7 waterproof rating, and up to 12 hours of playtime, it is suitable for various environments including outdoor activities, home use, and parties. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your Mirtune C3 speaker.
Package Contents
- Tronsmart Mirtune C3 Portable Bluetooth Speaker
- USB-C Charging Cable
- User Manual
- Warranty Card
Product Overview
Familiarize yourself with the main components of your Tronsmart Mirtune C3 speaker.

Figure 1: Front view of the Tronsmart Mirtune C3 speaker, showcasing its mesh grille and control buttons.

Figure 2: Side view of the Tronsmart Mirtune C3 speaker, highlighting its portable strap for easy carrying.
Setup
Charging the Speaker
Before first use, fully charge the speaker using the provided USB-C cable. The charging indicator light will show charging status.
Power On/Off
- To power on, press and hold the Power button for 2 seconds.
- To power off, press and hold the Power button for 2 seconds.
Bluetooth Pairing
Follow these steps to pair your Tronsmart Mirtune C3 speaker with a Bluetooth-enabled device:
- Ensure the speaker is powered on and in pairing mode (Bluetooth indicator will flash).
- On your device, enable Bluetooth and search for "Tronsmart Mirtune C3".
- Select "Tronsmart Mirtune C3" from the list to connect. A voice prompt will confirm successful pairing.
Video 1: Demonstrates how to power on the speaker and connect it via Bluetooth to a mobile device.
Operating Instructions
Music Playback
- Play/Pause: Press the Play/Pause button once to play or pause music.
- Volume Up: Press the '+' button once to increase volume.
- Volume Down: Press the '-' button once to decrease volume.
- Next Track: Press and hold the '+' button for 2 seconds to skip to the next track.
- Previous Track: Press and hold the '-' button for 2 seconds to skip to the previous track.
Video 2: Illustrates how to control music playback, including play/pause, volume adjustment, and track skipping using the speaker's buttons.
Voice Assistant
Double-press the Play/Pause button to activate your device's voice assistant (e.g., Siri, Google Assistant).
Phone Calls
- Answer/End Call: Press the Play/Pause button once.
- Reject Call: Press and hold the Play/Pause button for 2 seconds.
- Switch Audio: During a call, press the Bluetooth button once to switch audio between the speaker and your phone.
Video 3: Demonstrates how to manage phone calls (answer, end, reject) and switch audio output between the speaker and phone.
SoundPulse™ Technology & EQ Modes
The Mirtune C3 features SoundPulse™ technology for enhanced audio. You can switch between different EQ modes or customize them via the Tronsmart App.
- Switch EQ Mode (Speaker): Press the 'SoundPulse' button once to cycle through available EQ modes.
- Customize EQ (App): Download the Tronsmart App. Connect your speaker via the app. You can then adjust the equalizer settings or select preset modes like Default, SoundPulse, Deep Bass, Classical, Rock, or Custom.
Video 4: Shows how to switch EQ modes directly on the speaker and how to customize EQ settings using the Tronsmart app.
True Wireless Stereo (TWS) Pairing
Pair two Mirtune C3 speakers for an immersive stereo sound experience.
- Ensure both speakers are powered on.
- On both speakers, press and hold the Bluetooth button for 3 seconds to enter TWS pairing mode. You will hear a prompt.
- Once successfully paired, the Bluetooth indicator on one speaker will flash, and the other will be solid.
- Connect your device to one of the speakers via Bluetooth. Both speakers will now play in stereo.
- To exit TWS mode, press the Bluetooth button on either speaker once.
Video 5: Guides users through the process of entering and exiting True Wireless Stereo (TWS) pairing mode with two Mirtune C3 speakers.
Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Water Resistance: The speaker is IPX7 waterproof, meaning it can be submerged in water up to 1 meter for 30 minutes. Ensure the charging port cover is securely closed before exposure to water. Do not expose to saltwater or other chemicals.
- Storage: Store the speaker in a cool, dry place away from extreme temperatures and direct sunlight.

Figure 3: The Tronsmart Mirtune C3 speaker demonstrating its IPX7 waterproof capability with water splashing on it.
Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not turn on. | Ensure the speaker is charged. Connect to a power source and try again. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| Speaker not responding. | Reset the speaker by pressing and holding the Bluetooth button for 8 seconds. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | Mirtune C3 |
| Brand | Tronsmart |
| Speaker Output Power | 24 Watts |
| Frequency Response | 20 KHz |
| Connectivity Technology | Bluetooth 5.3 |
| Audio Output Mode | Stereo |
| Waterproof Rating | IPX7 |
| Product Dimensions | 21 x 8 x 21 cm |
| Weight | 640 g |
| Battery | 1 9V battery (included) |
| Country of Origin | China |
Warranty and Support
Tronsmart products are designed and manufactured to the highest standards. For warranty information, technical support, or customer service inquiries, please refer to the warranty card included in your package or visit the official Tronsmart website. Keep your proof of purchase for warranty claims.
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