1. Introduction
This manual provides essential instructions for the safe and effective use of your Bobtot Portable Bluetooth Speaker, Model ET35. Please read this manual thoroughly before operating the device and retain it for future reference.
Image: The Bobtot Portable Bluetooth Speaker, Model ET35, demonstrating its IPX7 waterproof capability by being partially submerged in water.
2. Package Contents
Verify that all items are present in your package:
- A Portable Bluetooth Speaker (Bobtot ET35)
- Type C Charging Cable
- User Manual (this document)
3. Product Overview
The Bobtot ET35 is a compact, waterproof Bluetooth speaker designed for portability and robust sound. It features a built-in microphone for hands-free calls and supports True Wireless Stereo (TWS) pairing for an enhanced audio experience.
Key Features:
- Sound Quality: 5W full-range speaker delivering clear audio with enhanced bass.
- Battery Life: Up to 16 hours of playtime on a single charge (at 50% volume).
- Water Resistance: IPX7 rated, resistant to splashes, rain, sand, and dust.
- Connectivity: Bluetooth 5.3 for stable connection up to 100 feet.
- Hands-Free Calling: Integrated HD microphone.
- TWS Pairing: Connect two speakers for stereo sound.
- Portability: Lightweight (0.42 lbs) with a convenient lanyard.
Image: A detailed view of the speaker's internal components, emphasizing its 5W audio output for clear and punchy sound.
4. Setup
4.1 Charging the Speaker
- Connect the provided Type C charging cable to the speaker's charging port.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate during charging.
- Once fully charged, the indicator light will change or turn off (refer to specific light behavior in the quick start guide if available).
- For optimal battery life and product protection, ensure the charging port cover is securely closed after charging.
Image: An array of Bobtot speakers in different colors, illustrating the product's 16-hour battery life.
4.2 Power On/Off
- To Power On: Press and hold the Power button (usually marked with a power symbol) for approximately 2-3 seconds until you hear an audible prompt or see an indicator light.
- To Power Off: Press and hold the Power button again for approximately 2-3 seconds until you hear an audible prompt or the indicator light turns off.
4.3 Bluetooth Pairing
- Ensure the speaker is powered on and in pairing mode (a blinking blue LED usually indicates pairing mode).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Bobtot ET35" from the list of devices.
- Once connected, you will hear a confirmation tone, and the LED indicator will typically turn solid blue.
- The speaker will automatically reconnect to the last paired device when powered on, if the device is within range and Bluetooth is enabled.
4.4 True Wireless Stereo (TWS) Pairing
To achieve a stereo sound experience, you can pair two Bobtot ET35 speakers together:
- Ensure both Bobtot ET35 speakers are powered off.
- Power on both speakers. Do not connect them to any Bluetooth device yet.
- On one of the speakers, quickly double-press the Power button. The speakers will attempt to pair with each other.
- Once successfully paired, you will hear a confirmation tone, and one speaker will act as the master (left channel) and the other as the slave (right channel).
- Now, connect your device to the master speaker via Bluetooth as described in section 4.3.
Image: Two Bobtot speakers demonstrating True Wireless Stereo (TWS) pairing for an immersive audio experience.
5. Operating Instructions
5.1 Music Playback
- Play/Pause: Press the Play/Pause button (often integrated with the Power button or a dedicated 'M' button).
- Next Track: Press and hold the '+' button or a dedicated 'Next' button.
- Previous Track: Press and hold the '-' button or a dedicated 'Previous' button.
5.2 Volume Control
- Increase Volume: Short press the '+' button.
- Decrease Volume: Short press the '-' button.
5.3 Hands-Free Calling
When connected to your smartphone via Bluetooth, the speaker can be used for hands-free calls:
- Answer Call: Short press the Play/Pause button (or phone icon button) when a call comes in.
- End Call: Short press the Play/Pause button (or phone icon button) during a call.
- Reject Call: Press and hold the Play/Pause button (or phone icon button) when a call comes in.
Image: The Bobtot speaker being used for hands-free calling, demonstrating its built-in speakerphone functionality.
6. Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the speaker in a cool, dry place away from extreme temperatures and direct sunlight.
- Water Resistance: While IPX7 rated, avoid prolonged submersion. Ensure the charging port cover is sealed when exposed to water.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use.
Image: The Bobtot speaker in water, illustrating its waterproof and dustproof design, suitable for various environments.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; device Bluetooth off; too far from device. | Ensure speaker is in pairing mode (blinking blue LED). Turn on device Bluetooth. Move device closer to speaker (within 100 feet). Forget previous pairings on your device and try again. |
| No sound or low volume. | Volume too low on speaker or device; speaker not connected. | Increase volume on both speaker and connected device. Ensure speaker is properly paired. |
| TWS pairing fails. | Speakers already connected to a device; incorrect pairing procedure. | Ensure both speakers are disconnected from any Bluetooth devices. Follow TWS pairing steps precisely (Section 4.4). |
| Poor call quality. | Weak Bluetooth connection; environmental noise. | Move closer to the connected device. Reduce background noise. |
8. Specifications
- Model Name: Bobtot Sound Air (ET35)
- Connectivity Technology: Bluetooth 5.3
- Wireless Range: Up to 100 feet (without obstructions)
- Speaker Maximum Output Power: 10 Watts
- Audio Output Mode: Stereo (with TWS)
- Frequency Response: 18 KHz
- Signal-to-Noise Ratio: 78 dB
- Impedance: 4 Ohm
- Battery Capacity: 1200 mAh
- Input Voltage: 5 Volts
- Playtime: Up to 16 hours (at 50% volume)
- Water Resistance Level: IPX7 (Water Resistant)
- Material: Acrylonitrile Butadiene Styrene (ABS)
- Product Dimensions: 3.74"D x 3.74"W x 1.77"H
- Item Weight: 6.9 ounces (195 Grams)
- Control Method: Touch
- Special Features: Built-in Mic for Hands-free Call, Dustproof, Portable Lightweight, True Wireless Stereo Pairing, Volume Control & Music Switch
- Included Components: Portable Bluetooth Speaker, Type C Charging Cable, User Manual
9. 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 children and pets.
- Do not attempt to disassemble, repair, or modify the speaker yourself. This will void the warranty and may cause damage or injury.
- Use only the provided charging cable or a certified Type C cable for charging.
- Ensure the charging port is dry before connecting the charging cable.
- Dispose of the battery and speaker according to local regulations. Do not dispose of in household waste.
10. Warranty and Support
The Bobtot Portable Bluetooth Speaker ET35 comes with a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included in your package or contact Bobtot customer support.
For technical support, troubleshooting assistance, or warranty claims, please contact Bobtot customer service through the retailer where you purchased the product or visit the official Bobtot website.
Manufacturer: MOSWS INTERNATIONAL LIMITED
