1. Introduction
This manual provides essential instructions for the safe and efficient operation of your Tronsmart Mirtune C2 Portable Bluetooth Speaker. Please read this manual thoroughly before using the product and retain it for future reference.
2. What's in the Box
- 1x Mirtune C2 Portable Outdoor Speaker
- 1x User Manual
- 1x Lanyard
- 1x Type-C Charging Cable
- 1x AUX-in Cable
3. Product Overview
3.1. Speaker Layout

Figure 1: Front view of the Tronsmart Mirtune C2 speaker, highlighting the control buttons and light ring.
3.2. Control Buttons
- Power Button: Press and hold to power on/off. Short press to change light modes.
- '+' Button: Short press to increase volume.
- '▲' Button: Short press for next track.
- '-' Button: Short press to decrease volume.
- 'M' Button: Short press to switch between Bluetooth, TF Card, and AUX-in modes.
- '▶' Button: Short press to play/pause music.
- '∞' Button: Press and hold to activate True Wireless Stereo (TWS) pairing.
3.3. Ports

Figure 2: Side view of the Tronsmart Mirtune C2 speaker, revealing the protected charging and input ports.
- USB-C Charging Port: For charging the speaker.
- TF Card Slot: Insert a TF (microSD) card for direct music playback.
- AUX-in Port: Connect external audio devices using the provided 3.5mm AUX cable.
4. Setup
4.1. Charging the Speaker
Before first use, fully charge the speaker using the provided Type-C charging cable. Connect the USB-C end to the speaker's charging port and the USB-A end to a compatible USB power adapter (not included). The LED indicator will show charging status.
4.2. Bluetooth Pairing
- Power on the speaker by pressing and holding the Power button. The LED indicator will flash blue, indicating it's in pairing mode.
- Enable Bluetooth on your device (smartphone, tablet, etc.).
- Search for 'Tronsmart Mirtune C2' in your device's Bluetooth list and select it to connect.
- Once connected, the LED indicator will remain solid blue, and you will hear an audible confirmation.
4.3. True Wireless Stereo (TWS) Pairing
To achieve immersive stereo sound, you can pair two Tronsmart Mirtune C2 speakers together:
- Ensure both speakers are powered on and not connected to any other Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the '∞' button for 3 seconds. It will enter TWS pairing mode.
- The primary speaker will automatically search for the secondary speaker. Once connected, you will hear an audible confirmation, and the LED indicators on both speakers will show a specific pattern (refer to speaker's quick start guide for exact pattern).
- Now, connect your device to the primary speaker via Bluetooth as described in section 4.2.

Figure 3: Two Tronsmart Mirtune C2 speakers demonstrating True Wireless Stereo pairing for enhanced audio experience.
5. Operating the Speaker
5.1. Power On/Off
- Power On: Press and hold the Power button for 2 seconds.
- Power Off: Press and hold the Power button for 2 seconds.
5.2. Volume Control
- Increase Volume: Short press the '+' button.
- Decrease Volume: Short press the '-' button.
5.3. Music Playback
- Play/Pause: Short press the '▶' button.
- Next Track: Short press the '▲' button.
- Previous Track: Short press the '▼' button (if available, otherwise use source device).
5.4. Changing Light Modes
The speaker features three distinct lighting modes. To cycle through them, short press the Power button while the speaker is on.

Figure 4: The Tronsmart Mirtune C2 speaker showcasing its three dynamic lighting modes.
5.5. Switching Input Modes
The speaker supports Bluetooth, TF Card, and AUX-in playback. To switch between these modes, short press the 'M' button.

Figure 5: The Tronsmart Mirtune C2 speaker demonstrating its versatility with multiple input options.
6. Maintenance
6.1. IPX7 Waterproof Rating
The Tronsmart Mirtune C2 speaker is IPX7 waterproof, meaning it can be submerged in water up to 1 meter (3.3 feet) for 30 minutes. Ensure all port covers are securely closed before exposing the speaker to water.

Figure 6: The Tronsmart Mirtune C2 speaker in a water environment, showcasing its IPX7 waterproof capability.
6.2. Cleaning
Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive materials. Ensure the speaker is dry before charging.
7. Troubleshooting
- Cannot Pair: Ensure the speaker is in pairing mode (flashing blue LED) and within range of your device. Forget previous pairings on your device and try again.
- No Sound: Check volume levels on both the speaker and your connected device. Ensure the correct input mode is selected.
- Charging Issues: Verify the charging cable is securely connected and the power adapter is functional.
- TWS Pairing Failure: Ensure both speakers are not connected to any other device before initiating TWS pairing.
8. Specifications
| Brand | Tronsmart |
| Model Name | Mirtune C2 |
| Speaker Type | 3D, Outdoor, Surround Sound |
| Special Features | 360° Surround Sound, IPX7 Waterproof, 3 EQ Mode, 24W Speaker, Ultra-portable with Lanyard, Stereo pairing, 24-hour Playtime, Bluetooth 5.3, Hands-free Calls |
| Connectivity Technology | Auxiliary, Bluetooth |
| Wireless Communication Technology | Bluetooth 5.3 |
| Speaker Maximum Output Power | 24 Watts |
| Playtime | 24 Hours |
| Water Resistance Level | Waterproof (IPX7) |
| Product Dimensions | 2.81"D x 2.81"W x 7.2"H |
| Item Weight | 1.2 Pounds |
| Power Source | Battery Powered (1 C battery included) |
8.1. Key Features
- 360° Surround Sound: Two 48*48mm full-range speakers deliver deep bass and clear audio.
- CD Pattern Iron Diaphragm: Made of ABS material and CD pattern iron sheet for clear sound quality.
- Portable Lanyard: Designed for easy carrying during outdoor activities.

Figure 7: The Tronsmart Mirtune C2 speaker providing music for an outdoor gathering, emphasizing its 24-hour playtime.

Figure 8: The Tronsmart Mirtune C2 speaker attached to a backpack, illustrating its portability with the included lanyard.
9. Official Product Video
Video 1: An official product video from Tronsmart showcasing the Mirtune C2 Portable Bluetooth Speaker's features and design.
10. Warranty and Support
The Tronsmart Mirtune C2 Portable Bluetooth Speaker comes with a Limited Warranty. For detailed warranty information or technical support, please refer to the warranty card included in the packaging or visit the official Tronsmart website.





