1. Product Overview
The ENUOSUMA BS07 is a wireless neckband Bluetooth speaker designed for portable audio enjoyment. It features Bluetooth 5.0 technology for stable connectivity, 3D stereo sound, and an ergonomic design for comfortable wear around the neck. Its waterproof and sweat-resistant properties make it suitable for various activities, including sports and outdoor use. The integrated echo cancellation ensures clear hands-free communication.

Image 1.1: ENUOSUMA BS07 Neckband Bluetooth Speaker. This image shows the speaker's overall design, highlighting its flexible neckband and speaker units.
2. Package Contents
Please check the package for the following items:
- 1 x ENUOSUMA BS07 Neckband Bluetooth Speaker
- 1 x Micro USB Charging Cable
- 1 x User Manual
3. Product Features
- Portable Neckband Design: Ergonomically shaped to rest comfortably on your shoulders, providing a personal 3D stereo sound field without blocking your ears.
- Bluetooth 5.0 Technology: Ensures stable and efficient wireless connection with mobile devices, offering enhanced sound quality.
- Waterproof and Sweat-Resistant: Designed to withstand sweat and weather conditions, ideal for outdoor activities.
- Long Battery Life: Provides up to 12 hours of playtime on a 2-hour charge.
- Lightweight and Comfortable: Constructed from soft TPU and silicone materials for extended wear comfort.
- Echo Cancellation: Enhances call clarity during hands-free operation.

Image 3.1: The BS07 speaker worn around the neck, demonstrating its ergonomic and portable design for active use.
4. Setup
4.1 Charging the Device
- Locate the Micro USB charging port on the speaker.
- Connect the provided Micro USB charging cable to the speaker's charging port.
- Connect the other end of the USB cable to a compatible USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator light will illuminate, typically red, during charging.
- Once fully charged (approximately 2 hours), the indicator light will change color or turn off, indicating the battery is full.
Note: Ensure the charging port cover is securely closed after charging to maintain water resistance.
4.2 Pairing with Bluetooth Devices
- Power On: Press and hold the Power button on the speaker until you hear an audible prompt or see an indicator light flash, usually blue, indicating it's in pairing mode.
- Activate Bluetooth: On your mobile device (smartphone, tablet, etc.), go to the Bluetooth settings and ensure Bluetooth is turned on.
- Search for Devices: Your device will scan for available Bluetooth devices. Look for "BS07" or "ENUOSUMA BS07" in the list.
- Connect: Select "BS07" from the list to initiate pairing. Once connected, you will hear a confirmation tone or voice prompt from the speaker, and the indicator light may change to a steady blue.
- Reconnect: The speaker will automatically attempt to reconnect to the last paired device when powered on, if that device's Bluetooth is active and within range.
5. Operating Instructions

Image 5.1: Side view of the BS07 speaker, showing the location of control buttons for power, volume, and playback.
5.1 Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds until the indicator light flashes and you hear a power-on prompt.
- Power Off: Press and hold the Power button for approximately 3 seconds until the indicator light turns off and you hear a power-off prompt.
5.2 Volume Control
- Increase Volume: Press the Volume Up (+) button.
- Decrease Volume: Press the Volume Down (-) button.
5.3 Playback Control
- Play/Pause: Press the Multi-function button (often the Power button or a dedicated Play/Pause button) once.
- Next Track: Press and hold the Volume Up (+) button (or a dedicated button, refer to device specific markings).
- Previous Track: Press and hold the Volume Down (-) button (or a dedicated button, refer to device specific markings).
5.4 Call Management
- Answer Call: Press the Multi-function button once when an incoming call is received.
- End Call: Press the Multi-function button once during a call.
- Reject Call: Press and hold the Multi-function button for approximately 2 seconds when an incoming call is received.
- Redial Last Number: Double-press the Multi-function button.
6. Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the charging port cover is closed during cleaning.
- 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 the device regularly, even if not in use for extended periods.
- Water Resistance: While the speaker is waterproof and sweat-resistant, avoid submerging it in water for prolonged periods or exposing it to high-pressure water jets. Ensure the charging port cover is always sealed when not charging.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker for at least 30 minutes. |
| Cannot pair with Bluetooth device. | Bluetooth is off on the device; speaker is not in pairing mode; device is out of range. | Ensure Bluetooth is enabled on your device. Put the speaker into pairing mode. Move the speaker closer to your device. |
| No sound or low volume. | Volume too low on speaker or connected device; speaker not properly connected. | Increase volume on both the speaker and your connected device. Re-pair the speaker with your device. |
| Connection is unstable or drops. | Interference; device too far from speaker; low battery. | Move closer to the speaker. Avoid obstacles between devices. Charge the speaker. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | BS07 |
| Brand | ENUOSUMA |
| Connectivity Technology | Bluetooth 5.0, USB (for charging) |
| Max Speaker Output Power | 20 Watts |
| Audio Output Mode | 3D Stereo |
| Power Source | Battery Powered |
| Battery Life | Up to 12 hours playtime |
| Charging Time | Approximately 2 hours |
| Water Resistance Level | Waterproof / Sweat-resistant |
| Dimensions (L x W x H) | 20 x 20 x 5 cm |
| Weight | 560 grams |
| Compatible Devices | Smartphones, Tablets, Televisions |
| Color | Black |
9. Warranty and Support
For warranty information and customer support, please refer to the contact details provided with your purchase or visit the official ENUOSUMA website. Keep your proof of purchase for any warranty claims.
If you encounter any issues not covered in this manual, please contact customer service for assistance.