Introduction
Thank you for choosing the coioc S10 Portable Mini Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it carefully to ensure optimal performance and longevity of your device.
What's in the Box
Upon unpacking, please ensure all items listed below are present:
- coioc S10 Portable Mini Bluetooth Speaker
- Type-C Charging Cable
- User Guide
Product Features
The coioc S10 speaker is designed with advanced features for a superior audio experience:
- High-Fidelity 360° Stereo Sound: Delivers immersive and impactful audio from any direction.
- 30W Dual Speakers with Enhanced Bass: Powerful audio output with BASS 3.0 system and 66mm speakers for deep low frequencies.
- True Wireless Stereo (TWS) Pairing: Connect two S10 speakers for a wider, more dynamic stereo soundstage.
- Portable Carabiner Design: Integrated wide-mouth vertical hook for easy attachment to bags, belts, or other objects.
- LED Battery Display: Accurate 1% to 100% battery level indicator.
- Multiple Playback Options: Supports AUX, USB, and TF card inputs (WAV/FLAC/APE/MP3 formats).
- Extended Playtime: Up to 30 hours of music playback on a single charge.
- IP68 Dust and Water Resistance: Designed to withstand harsh outdoor environments, protecting against dust and water immersion.
- Dynamic RGB Light Show: Three RGB lighting zones with five modes (Rhythm, Rainbow, Breathing, Gradient, Off) synchronized with music.
- Bluetooth 5.4 Connectivity: Provides a stable wireless transmission distance of up to 50 feet with reduced latency.
- Built-in Microphone: Enables hands-free calling.
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided Type-C charging cable to the speaker's charging port and the other end to a USB power adapter (not included). The LED display will show the charging progress.

This image shows the coioc S10 speaker highlighting its 25-hour playtime and USB-C fast charging capability. The speaker is placed on a table in an outdoor setting with people around a campfire in the background.
2. Powering On/Off
- To Power On: Press and hold the power button ("⑂") for 2 seconds. The LED display will light up, and you will hear an audible prompt.
- To Power Off: Press and hold the power button ("⑂") for 2 seconds. The LED display will turn off, and you will hear an audible prompt.
3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing Bluetooth icon on the LED display).
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "coioc S10" from the list of devices.
- Once connected, the speaker will emit an audible confirmation, and the Bluetooth icon on the LED display will stop flashing.

This image displays the coioc S10 speaker's LED digital display, clearly showing the battery level, volume display, and Bluetooth 5.4 connectivity status. The speaker is set against a dark, wavy background.
4. TWS (True Wireless Stereo) Pairing
To achieve true wireless stereo sound, you can pair two coioc S10 speakers:
- Ensure both S10 speakers are powered on and not connected to any other Bluetooth device.
- On one speaker (this will be the primary speaker), press the TWS button (often indicated by a chain link icon) twice. The speaker will enter TWS pairing mode.
- The primary speaker will automatically search for the secondary speaker. Once connected, both speakers will emit an audible confirmation.
- Now, connect your device to the primary speaker via Bluetooth as described in step 3. Audio will play through both speakers in stereo.

This image features two coioc S10 speakers, emphasizing their Bluetooth 5.4 connectivity and multiple input options including Microphone, TF card slot, AUX port, Type-C charging port, and TWS pairing capability. The speakers are shown with their RGB lights active.
Operating Instructions
1. Button Functions
The coioc S10 features intuitive button controls:
| Button/Action | Function |
|---|---|
| Power Button (⑂) - Press and hold 2s | Power On/Off |
| Play/Pause Button (▶██) - Single press | Play/Pause music |
| Play/Pause Button (▶██) - Single press (during call) | Answer/End call |
| Play/Pause Button (▶██) - Press and hold 3s (during call) | Reject call |
| Volume Up (+) - Single press | Increase volume |
| Volume Up (+) - Press and hold 3s | Next track |
| Volume Down (-) - Single press | Decrease volume |
| Volume Down (-) - Press and hold 3s | Previous track |
| Mode Button (M) - Single press | Switch input mode (Bluetooth/AUX/TF Card/USB) |
| Light Button (☀) - Single press | Cycle RGB light modes |
| Light Button (☀) - Press and hold 3s | Turn RGB lights On/Off |
| TWS Button (🔗) - Double press | Initiate TWS pairing (on primary speaker) |

This image illustrates the coioc S10 speaker's LED digital display and RGB dynamic light strip, showing how the display provides clear real-time status and the lights synchronize with music.
2. Using AUX/USB/TF Card Inputs
The speaker supports various audio sources:
- AUX Input: Connect an audio device using a 3.5mm AUX cable (not included) to the AUX port. The speaker will automatically switch to AUX mode, or you can manually select it using the Mode button.
- TF Card: Insert a TF (microSD) card with supported audio files (WAV/FLAC/APE/MP3) into the TF card slot. The speaker will automatically switch to TF card mode and begin playback.
- USB Input: Insert a USB flash drive with supported audio files into the USB port. The speaker will automatically switch to USB mode and begin playback.

This image provides a close-up view of the coioc S10 speaker's side panel, clearly showing the AUX, TF card, and USB-C ports, which are protected by a rubber flap.
Maintenance
1. Cleaning
Wipe the speaker with a soft, damp cloth. Do not use abrasive cleaners, alcohol, or chemical solvents, as these may damage the surface or internal components.
2. Water and Dust Resistance (IP68)
The coioc S10 speaker has an IP68 rating, meaning it is protected against dust ingress and can withstand immersion in water up to 1.5 meters for 30 minutes. Ensure the charging port and other input covers are securely closed before exposing the speaker to water or dust.

This image shows the coioc S10 speaker being splashed with water, visually confirming its IP68 waterproof and dustproof capabilities.
3. Battery Care
To prolong battery life, avoid fully discharging the speaker frequently. Store the speaker in a cool, dry place when not in use for extended periods. Charge the speaker at least once every three months to prevent battery degradation.
Troubleshooting
If you encounter issues with your coioc S10 speaker, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| Speaker does not power on. | Ensure the speaker is charged. Connect it to a power source using the Type-C cable. |
| Cannot pair via Bluetooth. | Make sure the speaker is in pairing mode (flashing Bluetooth icon). Turn off and on your device's Bluetooth. Ensure the speaker is not connected to another device. Move closer to the speaker. |
| No sound or low volume. | Check the volume level on both the speaker and your connected device. Ensure the correct input mode (Bluetooth, AUX, TF, USB) is selected. |
| TWS pairing fails. | Ensure both speakers are fully charged and not connected to any other Bluetooth device. Try powering both speakers off and on, then re-attempt TWS pairing. |
| RGB lights are not working. | Press the Light button (☀) to cycle through modes or press and hold for 3 seconds to turn them on. Ensure the battery is not critically low. |
Specifications
| Feature | Detail |
|---|---|
| Brand | coioc |
| Model Number | S10 |
| Speaker Maximum Output Power | 30 Watts |
| Connectivity Technology | Bluetooth |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 50 Feet (approx. 15 meters) |
| Audio Output Mode | Stereo |
| Speaker Type | Portable Speaker |
| Waterproof Rating | IP68 |
| Dustproof | Yes |
| Battery Average Life | 30 Hours |
| Power Source | Battery Powered |
| Charging Port | Type-C |
| Control Method | Buttons, App, Voice |
| Speaker Size | 66 Millimeters |
| Signal-to-Noise Ratio | 80 dB |
| Compatible Devices | Laptop, Smartphone, Tablet, Television |
| Item Dimensions (D x W x H) | 5"D x 16"W x 5"H |
Warranty and Support
The coioc S10 Portable Mini Bluetooth Speaker comes with a limited warranty. For detailed warranty information, including terms and conditions, please refer to the warranty card or documentation included in your product packaging. For technical support or customer service inquiries, please contact coioc customer support through the contact information provided in your product documentation or on the official coioc website.