1. Introduction
Thank you for choosing the Rockmia EBS-918 U-Sharp Neckband Speaker. This portable wireless speaker is designed to provide an immersive audio experience with its ergonomic design, HIFI sound, and versatile playback options. Please read this manual carefully to ensure proper use and to maximize your enjoyment of the product.
Figure 1: Rockmia EBS-918 Neckband Speaker
2. Key Features
- Ergonomic U-Shape Design: Designed to fit comfortably around the neck and shoulders, made from shape memory skin-friendly silicone for adjustable width and long-term wear without pressure.
- High-Fidelity (HIFI) Sound: Equipped with dual 3W speakers and dual passive radiators for loud, dynamic, and powerful stereo sound with enhanced bass.
- Wireless Connectivity: Features Bluetooth 5.3 for stable audio streaming with a working distance of up to 20 meters.
- Multiple Playback Modes: Supports wireless Bluetooth connection, TF card playback, and AUX input for versatile audio sources.
- Hands-Free Calling: Built-in microphone with echo removal technology ensures clear HD voice calls.
- Durable and Splash-Proof: IPX5 rating makes it resistant to sweat and rain, suitable for daily use and outdoor activities.
- Long Battery Life: Integrated 600mAh rechargeable Li-Battery provides up to 8 hours of working time on a single charge.
- Convenient Charging: Features a modern Type-C charging port.
- Lightweight and Portable: Weighs only 282g, making it easy to carry for house working, traveling, or gaming.
Figure 2: HIFI Sound with Dual 3W Speakers and Passive Radiators
Figure 3: Flexible U-shaped Neckband Design
Figure 4: IPX5 Splash Proof Design for Daily Use
3. Package Contents
Please check the package for the following items:
- Rockmia EBS-918 Neckband Speaker
- USB Type-C Charging Cable
- User Manual (this document)
4. Setup
4.1 Charging the Speaker
Before first use, fully charge your Rockmia EBS-918 speaker.
- Connect the provided USB Type-C charging cable to the charging port on the speaker.
- 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 show the charging status. It typically takes a few hours for a full charge.
- Once fully charged, disconnect the charging cable.
Figure 5: Type-C Charging Port
4.2 Powering On/Off
- To Power On: Long press the power button (middle button) until you hear an audible prompt or see the indicator light.
- To Power Off: Long press the power button (middle button) again until you hear an audible prompt or the indicator light turns off.
4.3 Bluetooth Pairing
- Ensure the speaker is powered off.
- Long press the power button to turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing LED light.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "EBS-918" from the list of devices.
- Once connected, the LED indicator will stop flashing and remain solid, and you will hear a confirmation tone.
5. Operating Instructions
5.1 Button Functions
Figure 6: Control Button Layout and Functions
| Button | Action | Function |
|---|---|---|
| Top Button | Short Press | Switch Playback Mode (Bluetooth/TF Card/AUX) |
| Middle Button | Long Press | Power On/Off |
| Middle Button | Short Press | Play/Pause Music; Answer/End Call |
| Middle Button | Long Press (during call) | Reject Call |
| Up Arrow Button | Short Press | Volume Up |
| Up Arrow Button | Long Press | Previous Song |
| Down Arrow Button | Short Press | Volume Down |
| Down Arrow Button | Long Press | Next Song |
5.2 Using TF Card and AUX Input
The speaker supports TF card playback and AUX input for additional audio sources.
- TF Card Playback: Insert a TF card (MicroSD card) with MP3, FLAC, or WAV audio files into the TF card slot. The speaker will automatically switch to TF card mode and begin playback. Use the top button to switch modes if needed.
- 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. Use the top button to switch modes if needed.
Figure 7: AUX and TF Card Input Options
5.3 Making and Receiving Calls
When connected via Bluetooth to your smartphone, you can use the speaker for hands-free calls.
- Answer/End Call: Short press the middle (Play/Pause) button.
- Reject Call: Long press the middle (Play/Pause) button.
Figure 8: Built-in Microphone for HD Voice Calls
5.4 Product Demonstration Video
Watch this video for a visual guide on how to use the Rockmia EBS-918 Neckband Speaker in various scenarios.
Video 1: Rockmia EBS-918 Neckband Speaker in Action
6. Maintenance
- Cleaning: Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Water Resistance: The speaker is IPX5 splash-proof, meaning it can withstand light splashes of water and sweat. Do not submerge it in water or expose it to heavy rain. Ensure the charging port cover is securely closed when near water.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge it regularly, even if not in use for extended periods.
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 (flashing LED). Turn on device Bluetooth. Move speaker closer to device (within 10-20m). |
| No sound | Volume too low; Incorrect mode; Device not playing | Increase speaker and device volume. Press the top button to cycle through modes (Bluetooth, TF, AUX). Ensure audio is playing on your connected device. |
| TF card not playing | Card not inserted correctly; Unsupported file format; Corrupted card | Reinsert TF card. Ensure files are MP3, FLAC, or WAV. Try a different TF card. |
| Poor call quality | Weak Bluetooth connection; Environmental noise | Move closer to your phone. Reduce background noise if possible. |
8. Specifications
| Feature | Specification |
|---|---|
| Model | EBS-918 |
| Material | Plastic + Silicone + Fabric cover |
| Output Power | 6W (3W*2, Stereo) |
| Bluetooth Version | 5.3 (JL Bluetooth Solution) |
| Working Distance | Up to 20 meters (10m-20m) |
| Battery Capacity | 600mAh Rechargeable Li Battery |
| Working Time | Up to 8 hours |
| Charging Port | Type-C |
| Speaker Unit | 33mm |
| Audio Input | Wireless (Bluetooth), TF Card, AUX |
| Playback Function | MP3, FLAC, WAV |
| Waterproof Rating | IPX5 (Splash-proof) |
| Frequency Range | 20Hz-20KHz |
| Impedance | 4 Ohm |
| Product Dimensions (L*W*H) | 229mm * 189mm * 38mm |
| Product Weight | 282g |
| Active Noise-Cancellation | Passive |
| Built-in Microphone | Yes |
9. User Tips
- Comfort Adjustment: The neck strap is flexible. Adjust its width gently to find the most comfortable fit around your neck for extended listening sessions.
- Optimal Sound Experience: For the best HIFI sound, ensure the speaker rests properly on your shoulders, allowing the sound to project effectively around your ears.
- Versatile Use: This speaker is great for various activities where you want personal sound without isolating yourself, such as working from home, cooking, light exercise, or watching TV.
- Battery Preservation: If you plan not to use the speaker for a long time, charge it to about 50-70% before storing it and recharge it every few months to maintain battery health.
- Mode Switching: If you've inserted a TF card or connected an AUX cable and the speaker isn't playing from that source, short press the top button to cycle through the available playback modes.
10. Warranty and Support
Rockmia products are manufactured to the highest quality standards. For any issues or questions regarding your EBS-918 Neckband Speaker, please refer to your purchase documentation for warranty details and contact information for customer support.
