1. Introduction
The INSMY C17-MAX is a compact, portable Bluetooth speaker designed for various audio playback needs. It features a waterproof and shockproof design, True Wireless Stereo (TWS) pairing capability, and a built-in microphone for hands-free calling. This manual provides instructions for setting up, operating, and maintaining your speaker.
2. Package Contents
Please check the package for the following items:
- INSMY C17MAX Mini Speaker
- Instruction book
- Lanyard
- Charging Cable (USB-C) - Note: Not explicitly listed in 'whats_in_the_box' but implied for charging.
3. Product Overview
The INSMY C17-MAX speaker is engineered for portability and durability. It features a 5W full-range speaker and a passive radiator to deliver clear audio. Its compact metal body is designed to be waterproof and shockproof, making it suitable for various environments.

Image: The INSMY C17-MAX speaker in purple, demonstrating its compact size by resting on an open palm.

Image: An exploded view of the INSMY C17-MAX speaker, illustrating its internal components including the speaker driver and passive radiator, which contribute to its audio output.
4. Setup and Pairing
4.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB-C charging cable to the speaker's charging port and to a USB power source. The charging indicator will illuminate. A full charge typically takes approximately 3 hours.
4.2 Power On/Off
- To Power On: Press and hold the power button until you hear an audible prompt and the indicator light turns on.
- To Power Off: Press and hold the power button until you hear an audible prompt and the indicator light turns off.
4.3 Bluetooth Pairing
- Ensure the speaker is powered on and in pairing mode (the indicator light will typically flash).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "INSMY C17MAX" from the list of devices.
- Once connected, you will hear a confirmation sound, and the indicator light will become solid.
The speaker maintains a stable Bluetooth 5.3 connection up to 100 feet (30 meters) in unobstructed areas.

Image: The INSMY C17-MAX speaker shown with icons representing various devices (laptop, phone, tablet, PC), illustrating its universal compatibility for Bluetooth connection.
4.4 True Wireless Stereo (TWS) Pairing
To achieve a stereo sound experience, two INSMY C17-MAX speakers can be paired together.
- Ensure both C17-MAX speakers are powered on and not connected to any other Bluetooth device.
- On one speaker (this will be the primary speaker), double-press the power button. The speaker will enter TWS pairing mode.
- The two speakers will automatically search for and connect to each other. A confirmation tone will indicate successful TWS pairing.
- Once paired, connect your device to the primary speaker via Bluetooth as described in Section 4.3.

Image: Two INSMY C17-MAX speakers positioned on either side of a laptop, illustrating their capability to connect wirelessly for a stereo audio experience.
5. Operating the Speaker
5.1 Basic Controls
The speaker features touch controls for various functions:
- Play/Pause: Single press the power button.
- Volume Up: Press and hold the '+' button.
- Volume Down: Press and hold the '-' button.
- Next Track: Short press the '+' button.
- Previous Track: Short press the '-' button.
5.2 Hands-Free Calling
The built-in microphone allows for hands-free calling when connected to a smartphone.
- Answer Call: Single press the power button when an incoming call is received.
- End Call: Single press the power button during a call.
- Reject Call: Press and hold the power button when an incoming call is received.
6. Maintenance
6.1 Cleaning
To clean the speaker, use a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used. Do not use harsh chemicals or abrasive cleaners, as these may damage the speaker's finish or internal components.
6.2 Waterproof and Shockproof Features
The INSMY C17-MAX is designed to be waterproof and shockproof. While it can withstand splashes and minor impacts, avoid submerging it for extended periods or exposing it to extreme physical shock to ensure longevity.

Image: The INSMY C17-MAX speaker placed in an outdoor environment with water and rocks, emphasizing its rugged, waterproof, dustproof, and shockproof construction.
6.3 Storage
Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
7. Troubleshooting
- Speaker does not power on: Ensure the battery is charged. Connect the speaker to a power source using the charging cable.
- Cannot pair via Bluetooth:
- Ensure the speaker is in pairing mode (flashing indicator light).
- Make sure Bluetooth is enabled on your device.
- Move the speaker closer to your device.
- Clear previous Bluetooth connections on your device and try pairing again.
- No sound or low volume:
- Adjust the volume on both the speaker and your connected device.
- Ensure the speaker is properly connected via Bluetooth.
- Check if the speaker's battery is low.
- TWS pairing issues: Ensure both speakers are C17-MAX models and are not connected to any other Bluetooth device before initiating TWS pairing.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | INSMY C17MAX |
| Speaker Type | Outdoor, Portable Bluetooth Speaker |
| Connectivity Technology | Bluetooth 5.3 |
| Wireless Range | Up to 100 feet (30 meters) |
| Audio Output Mode | Stereo (with TWS pairing) |
| Speaker Maximum Output Power | 5 Watts |
| Frequency Response | 20 KHz |
| Battery Life | Up to 10 hours (at 50% volume) |
| Charging Time | Approximately 3 hours |
| Control Method | Touch |
| Special Features | Bass Boost, Built-in Microphone, Shockproof, Stereo Pairing (TWS), Waterproof |
| Material | Aluminum, Metal |
| Product Dimensions | 1.55"D x 1.6"W x 2"H (3.94 cm D x 4.06 cm W x 5.08 cm H) |
| Item Weight | 3.45 Ounces (97.8 grams) |
9. Warranty and Support
The INSMY C17-MAX speaker comes with a Limited Warranty. For detailed warranty information, product support, or to contact customer service, please refer to the official INSMY website or the contact information provided in your purchase documentation.
You can also refer to the full User Manual (PDF) for additional details: Download PDF Manual





