1. Introduction
Thank you for choosing the INSMY C12 IPX7 Waterproof Shower Bluetooth Speaker. This portable speaker is designed to provide high-quality audio in various environments, including showers, outdoor activities, and travel. Its robust waterproof and shock-absorbent design ensures durability, while its versatile connectivity options offer a seamless listening experience.

Figure 1: The INSMY C12 speaker in cashmere pink, shown with water splashing around it, highlighting its waterproof design.
2. Product Overview
2.1. Package Contents
- INSMY C12 Bluetooth Speaker
- USB Charging Cable
- Instruction Book
- Detachable Suction Cup
- Lanyard
2.2. Controls and Ports
The INSMY C12 speaker features intuitive controls located on its back panel and a sealed port for charging and TF card access.
- Power Button: Press and hold to power on/off.
- Play/Pause Button: Press to play or pause music.
- Volume Up (+): Increase volume.
- Volume Down (-): Decrease volume.
- Next Track (>>|): Skip to the next song.
- Previous Track (|<<): Go to the previous song.
- Microphone: For hands-free calling.
- USB Charging Port: For charging the device.
- TF Card Slot: For playing music directly from a Micro SD card.

Figure 2: Overview of the INSMY C12's connectivity features, including Bluetooth 5.0, TF card support, and compatibility with various devices like phones, tablets, and computers, along with its built-in microphone.
3. Setup
3.1. Initial Charging
Before first use, fully charge your INSMY C12 speaker. Connect the provided USB charging cable to the speaker's charging port and plug the other end into a USB power adapter (not included) or a computer's USB port. The charging time is approximately 3 hours for a full charge, providing up to 12 hours of playtime.

Figure 3: The INSMY C12 speaker, highlighting its long-lasting 12-hour battery life, suitable for extended use.
3.2. Bluetooth Pairing
- Ensure the speaker is fully charged.
- Press and hold the Power button on the back of the speaker until you hear a power-on tone and the LED indicator starts flashing, indicating it's in pairing mode.
- On your smartphone, tablet, or other Bluetooth-enabled device, go to the Bluetooth settings.
- Search for "INSMY-C12" in the list of available devices and select it.
- Once connected, you will hear a confirmation tone, and the LED indicator will stop flashing and remain solid.
3.3. TF Card Insertion
To play music directly from a TF (Micro SD) card, gently open the waterproof cover on the side of the speaker. Insert your TF card into the designated slot until it clicks into place. The speaker will automatically switch to TF card playback mode if a card with music files is detected.
4. Operating Instructions
4.1. Music Playback
- Play/Pause: Press the Play/Pause button.
- Volume Control: Press the '+' button to increase volume, and the '-' button to decrease volume.
- Next/Previous Track: Press the '>>|' button for the next track or '|<<' button for the previous track.
4.2. Hands-Free Calling
With its built-in microphone, the INSMY C12 allows for hands-free calls when connected via Bluetooth to your smartphone.
- Answer Call: Press the Play/Pause button once when a call comes in.
- End Call: Press the Play/Pause button once during a call.
- Reject Call: Press and hold the Play/Pause button for 2 seconds.

Figure 4: The INSMY C12 speaker conveniently mounted on a shower wall using its suction cup, illustrating its ideal placement for in-shower use.
5. Maintenance
5.1. Cleaning
To maintain the speaker's performance and appearance, wipe it with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the charging port cover is securely closed after charging to maintain its waterproof integrity.
5.2. Storage
Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, charge the battery periodically to prolong its lifespan.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair with Bluetooth device. | Speaker not in pairing mode; device too far; Bluetooth off on device. | Ensure speaker is in pairing mode (flashing LED). Move device closer. Turn on Bluetooth on your device. |
| Poor sound quality or distortion. | Low battery; device too far; interference. | Charge the speaker. Move device closer. Avoid obstacles or other wireless devices. |
| TF card not recognized. | Card inserted incorrectly; unsupported file format. | Reinsert TF card correctly. Ensure music files are in a supported format (e.g., MP3). |
7. Specifications
- Model Name: INSMY-C12
- Water Resistance: IP67 (Fully submersible up to 1 meter for 30 minutes)
- Connectivity: Bluetooth 5.0, TF Card, USB
- Battery Capacity: 1200mAh
- Playtime: Up to 12 hours
- Charging Time: Approximately 3 hours
- Output Power: 5 Watts
- Frequency Response: 20 KHz
- Audio Output Mode: Mono
- Dimensions (D x W x H): 3.46" x 3.46" x 1.2"
- Item Weight: 7.4 Ounces
- Special Features: Portable, Waterproof, Stereo Pairing, Built-in Microphone, Shockproof, Suction cup

Figure 5: The INSMY C12 speaker demonstrating its IPX7 waterproof rating by being submerged in water, capable of immersion up to 1 meter for 30 minutes.
8. Warranty and Support
The INSMY C12 speaker comes with a limited warranty. For detailed warranty information, product support, or to register your product, please visit the official INSMY brand store or contact customer service through the retailer where you purchased the product.
For further assistance, please refer to the contact information provided in your product packaging or visit the INSMY Brand Store.





