1. Introduction
Thank you for purchasing the TIMU Bluetooth Speaker S11. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it carefully before use to ensure optimal performance and longevity of your device.
2. Important Safety Information
- Do not expose the speaker to extreme temperatures or direct sunlight for extended periods.
- Avoid dropping or subjecting the speaker to strong impacts.
- Keep the speaker away from water and liquids, unless specifically designed for water resistance (refer to specifications).
- Do not attempt to disassemble, repair, or modify the speaker yourself. Contact qualified service personnel.
- Use only the provided charging cable or a certified equivalent.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
3. Package Contents
Please check that all items are present:
- TIMU Bluetooth Speaker S11
- USB Type-C Charging Cable
- User Manual
4. Product Overview
Familiarize yourself with the speaker's components and controls.

Figure 4.1: Front view of the TIMU Bluetooth Speaker S11, showing the control buttons and integrated light.

Figure 4.2: The TIMU Bluetooth Speaker S11 demonstrating its IPX7 waterproof capability, suitable for outdoor use.
Controls and Indicators:
- Power Button: Press and hold to turn on/off.
- Play/Pause Button: Press to play or pause audio.
- Volume Up (+): Press to increase volume. Hold to skip to the next track.
- Volume Down (-): Press to decrease volume. Hold to skip to the previous track.
- Light Mode Button: Press to cycle through light effects.
- Bluetooth Pairing Button: Press to enter pairing mode.
- Charging Port (Type-C): For charging the speaker.
- AUX-in Port: For wired audio connection.
- TF Card Slot: For playing music directly from a MicroSD card.
- USB Port: For USB audio input.
5. Setup
5.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB Type-C cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate during charging.
- The indicator will turn off or change color when fully charged.
- A full charge provides approximately 30 hours of playtime at 30% volume with lighting effects off.

Figure 5.1: Illustration of the speaker's 30-hour playtime capability and Type-C fast charging port.
5.2 Powering On/Off
- To Power On: Press and hold the Power button for 2-3 seconds until you hear an audible prompt and the indicator light turns on.
- To Power Off: Press and hold the Power button for 2-3 seconds until you hear an audible prompt and the indicator light turns off.
5.3 Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (the Bluetooth indicator light will flash).
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "TIMU S11" from the list of found devices.
- Once paired, you will hear an audible confirmation, and the Bluetooth indicator light will stop flashing and remain solid.
The speaker will automatically attempt to reconnect to the last paired device when powered on.
5.4 TWS (True Wireless Stereo) Pairing
To achieve a stereo sound experience, you can pair two TIMU S11 speakers together.
- Ensure both TIMU S11 speakers are powered on and not connected to any other Bluetooth device.
- On one of the speakers (this will be the primary speaker), press and hold the Bluetooth pairing button for 3 seconds. You will hear a prompt indicating TWS pairing mode.
- The two speakers will automatically search for and connect to each other. Once connected, you will hear a confirmation sound.
- Now, connect your device to the primary speaker via Bluetooth as described in section 5.3. The audio will play in stereo through both speakers.

Figure 5.2: Visual representation of two TIMU S11 speakers connected via TWS for an immersive stereo audio experience.
6. Operating the Speaker
6.1 Basic Audio Playback
- Play/Pause: Press the Play/Pause button.
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
- Next Track: Press and hold the '+' button.
- Previous Track: Press and hold the '-' button.

Figure 6.1: The internal speaker components illustrating the 30W stereo sound output and Enhanced Bass 3.0 technology.
6.2 Light Modes
The speaker features integrated lighting effects. Press the Light Mode button to cycle through different lighting patterns and colors. Press and hold the Light Mode button to turn the lights off.
6.3 Multiple Connection Methods
In addition to Bluetooth, the TIMU S11 supports several other audio input methods:

Figure 6.2: The speaker's versatile input options, including Bluetooth, AUX, TF card, and USB audio.
- AUX-in Mode: Connect an audio device using a 3.5mm audio cable (not included) to the AUX-in port. The speaker will automatically switch to AUX mode.
- TF Card Mode: Insert a MicroSD (TF) card with MP3 audio files into the TF card slot. The speaker will automatically detect and play music from the card.
- USB Audio Mode: Connect a USB drive with MP3 audio files to the USB port. The speaker will automatically detect and play music from the USB drive.
7. Maintenance
- Cleaning: Wipe the speaker with a soft, dry, lint-free cloth. Do not use liquid cleaners, aerosols, or solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Low battery. | Charge the speaker fully. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; device Bluetooth off; too far from speaker. | Ensure speaker is in pairing mode. Turn on Bluetooth on your device. Move device closer to speaker (within 10 meters). Forget "TIMU S11" on your device and try pairing again. |
| No sound. | Volume too low; incorrect input mode; device not playing. | Increase speaker and device volume. Check if the correct input mode (Bluetooth, AUX, TF, USB) is selected. Ensure audio is playing on your connected device. |
| TWS pairing fails. | Speakers already connected to another device; speakers too far apart. | Ensure both speakers are disconnected from other devices. Place speakers close to each other. Repeat TWS pairing steps. |
| Lights not working. | Lights turned off. | Press the Light Mode button to cycle through effects. |
9. Specifications
| Model Name | S11 |
| Brand | TIMU |
| Bluetooth Version | 5.4 |
| Speaker Type | Outdoor |
| Waterproof Rating | IPX7 |
| Output Power | 30W (Stereo Sound) |
| Playtime | Up to 30 hours (at 30% volume, lights off) |
| Charging Port | USB Type-C |
| Dimensions (L x W x H) | 19 x 8 x 8 cm (approx.) |
| Weight | 760 g (approx.) |
| Connection Methods | Bluetooth, AUX, TF Card, USB Audio |
10. Warranty and Support
TIMU products are designed and manufactured to the highest quality standards. For detailed warranty information and customer support, please refer to the warranty card included with your purchase or visit the official TIMU website. If you encounter any issues not covered in this manual, please contact our customer service team for assistance.




