Introduction
Thank you for choosing the Bobtot Portable Bluetooth Speaker. This speaker is designed to deliver powerful, clear audio with deep bass, featuring IPX6 waterproofing, vibrant RGB lighting, and dual pairing capabilities for an immersive stereo experience. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the most out of your device.

Image: The Bobtot Portable Bluetooth Speaker in red, showcasing its cylindrical design and control panel.
What's in the Box
Please check the package contents to ensure all items are present:
- Bobtot Portable Bluetooth Speaker (Model: ET100)
- Charging Cord (USB-C)
- User Manual

Image: The Bobtot speaker, its USB-C charging cable, and the user manual laid out next to its packaging box.
Product Overview
Familiarize yourself with the speaker's components and controls.
Key Features:
- 15W Loud Sound with Punchy Bass: Equipped with a 44x80mm rectangular full-range speaker and passive radiators for balanced audio.
- IPX6 Waterproof: Designed to withstand water splashes and spills, suitable for outdoor use.
- Long Playtime: Up to 15 hours of music playback on a single charge (varies with volume and RGB mode).
- Bluetooth 5.3: Ensures fast and stable wireless connection.
- Dual Pairing (TWS): Connect two speakers for a 30W stereo sound experience.
- Energetic RGB Light Mode: Six color options with dynamic lighting effects.
- Built-in Microphone: For hands-free phone calls.
- Portable Design: Triangular and cylindrical shape with a rubber strap for easy carrying.

Image: A cutaway view of the Bobtot speaker, emphasizing its large 44x80mm driver for powerful sound.
Setup
Charging the Speaker:
- Locate the USB-C charging port on the side of the speaker.
- Connect the provided USB-C charging cord to the speaker's charging port.
- Connect the other end of the charging cord to a USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate during charging. It takes approximately 3 hours for a full charge.
- Once fully charged, the indicator light will change or turn off (refer to specific light behavior in the full manual if available).
Powering On/Off:
- To Power On: Press and hold the Power button (⏻) for a few seconds until you hear an audible prompt and the indicator lights turn on.
- To Power Off: Press and hold the Power button (⏻) for a few seconds until you hear an audible prompt and the indicator lights turn off.
Operating Instructions
Bluetooth Pairing:
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing blue light).
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for "Bobtot ET100" in the list of available Bluetooth devices.
- Select "Bobtot ET100" to connect. Once connected, you will hear an audible confirmation, and the blue indicator light will become solid.
- The speaker will automatically reconnect to the last paired device when powered on, if the device is within range and Bluetooth is enabled.
Dual Pairing (True Wireless Stereo - TWS):
To achieve a 30W stereo sound experience, you can pair two Bobtot ET100 speakers together.
- Ensure both Bobtot ET100 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the TWS button (often indicated by two interlocking circles or a similar icon) for a few seconds.
- The speakers will attempt to pair with each other. You will hear a confirmation tone once they are successfully paired.
- Once paired, the primary speaker's indicator light will flash, and the secondary speaker's light will be solid.
- Now, connect your device to the primary speaker via Bluetooth as described in the "Bluetooth Pairing" section. Both speakers will play audio in stereo.

Image: Two individuals holding Bobtot speakers, with visual effects indicating wireless stereo sound pairing between the devices.
Controlling Music Playback:
- Play/Pause: Press the Play/Pause button (▶‖) once.
- Next Track: Press the Next Track button (≫) once.
- Previous Track: Press the Previous Track button (≪) once.
- Volume Up: Press the Volume Up button (+).
- Volume Down: Press the Volume Down button (-).
Light Modes:
The speaker features dynamic RGB lighting.
- Press the Light Mode button (often indicated by a sun or lightbulb icon) to cycle through different light modes and colors.
- There are 6 color options and various dynamic effects.
- Press and hold the Light Mode button to turn the lights off.

Image: The Bobtot speaker showcasing its vibrant RGB lighting, with multiple color variations displayed below.
Making Calls:
With the built-in microphone, you can answer and end calls directly from the speaker.
- 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 a few seconds when a call comes in.
Maintenance
Proper care will extend the life of your Bobtot Portable Bluetooth Speaker.
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Water Resistance: The speaker is IPX6 waterproof, meaning it can withstand powerful water jets. Do not submerge the speaker in water for extended periods. Ensure the charging port cover is securely closed when near water.
- Storage: Store the speaker in a cool, dry place away from extreme temperatures and direct sunlight.
- Battery Care: To preserve battery life, fully charge the speaker before long periods of inactivity. Avoid completely draining the battery frequently.

Image: The Bobtot speaker positioned on a rocky shore with water splashing around it, illustrating its IPX6 waterproof capability.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Low battery; Power button not held long enough. | Charge the speaker fully; Press and hold the Power button for 3-5 seconds. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Device Bluetooth off; Speaker too far from device. | Ensure speaker is flashing blue; Turn on Bluetooth on your device; Move speaker closer to device (within 10 meters). |
| No sound or low volume. | Volume too low on speaker or device; Speaker not connected. | Increase volume on both speaker and device; Re-pair the speaker with your device. |
| TWS pairing fails. | Speakers already connected to another device; Speakers too far apart. | Disconnect both speakers from any devices; Ensure speakers are close to each other during TWS pairing. |
| Sound distortion. | Volume too high; Low battery. | Lower the volume; Charge the speaker. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | ET100 |
| Speaker Type | Portable Speaker |
| Speaker Maximum Output Power | 15 Watts |
| Connectivity Technology | Bluetooth 5.3 |
| Wireless Communication Technology | Bluetooth |
| Water Resistance Level | IPX6 Waterproof |
| Battery Life | Up to 15 Hours (varies by volume/RGB mode) |
| Battery Capacity | 4000 mAh |
| Charging Time | 3 Hours |
| Product Dimensions | 3"D x 3"W x 7"H |
| Item Weight | 1.28 pounds |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Maximum Range | 10 Meters |
| Audio Output Mode | Stereo |
| Special Features | Bass Boost, Built-in Microphone, LED Light, Stereo Pairing, Waterproof |

Image: The Bobtot speaker shown with a split background, one side depicting daytime activity and the other nighttime, to illustrate its long playtime capability.
Warranty and Support
The Bobtot Portable Bluetooth Speaker comes with an extended warranty. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or contact Bobtot customer support.
Customer Support:
If you encounter any issues or have questions regarding your Bobtot speaker, please visit the official Bobtot store on Amazon or contact their customer service directly.
Bobtot Store Link: https://www.amazon.com/stores/Bobtot/page/B195EA26-266E-4092-B9B5-817DF5335FFA