1. Introduction
Thank you for purchasing the Manta SPK215 Portable Bluetooth Speaker. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
1.1 Safety Information
- Do not expose the speaker to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not attempt to disassemble or repair the speaker yourself. Refer all servicing to qualified personnel.
- Keep the speaker away from water and liquids, except for its intended IPX5 water resistance. Do not submerge.
- Use only the provided charging cable or a certified equivalent.
2. Product Overview
The Manta SPK215 is a versatile portable speaker designed for robust audio performance and convenience. It features Bluetooth connectivity, FM radio, and LED lighting effects.
2.1 Package Contents
- Manta SPK215 Portable Bluetooth Speaker
- USB Charging Cable
- AUX Audio Cable
- Instruction Manual

Image: The Manta SPK215 speaker shown with its included USB charging cable and AUX audio cable.
2.2 Speaker Components and Controls
Familiarize yourself with the various parts and controls of your Manta SPK215 speaker.

Image: Front view of the Manta SPK215 speaker, showcasing its robust design and illuminated blue LED lights behind the speaker grille.

Image: A hand interacting with the top control panel of the Manta SPK215 speaker, highlighting the various buttons for playback, volume, mode selection, and power.
- Power Button: Press and hold to turn the speaker on or off.
- Mode Button: Press to switch between Bluetooth, FM Radio, and AUX modes.
- Play/Pause Button: Press to play or pause audio.
- Volume Up/Next Track Button: Press to increase volume. Press and hold for the next track.
- Volume Down/Previous Track Button: Press to decrease volume. Press and hold for the previous track.
- LED Light Button: Press to change LED light modes or turn them off.
- Charging Port: For connecting the USB charging cable.
- AUX Input: For connecting external audio devices via the AUX cable.
3. Setup
3.1 Charging the Speaker
- Connect the small end of the USB charging cable to the charging port on the speaker.
- Connect the large end of the USB charging cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status. Once fully charged, the indicator will change or turn off.
For optimal battery life, fully charge the speaker before first use.
3.2 Powering On/Off
- To Power On: Press and hold the Power button for approximately 3 seconds until you hear an audible prompt and the LED lights illuminate.
- To Power Off: Press and hold the Power button for approximately 3 seconds until you hear an audible prompt and the LED lights turn off.
4. Operating
4.1 Bluetooth Pairing
The Manta SPK215 uses Bluetooth 5.0 for stable wireless connections.

Image: The Manta SPK215 speaker with an overlay graphic indicating its Bluetooth 5.0 connectivity feature.
- Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing LED light.
- Enable Bluetooth on your smartphone, tablet, or other audio device.
- Search for available Bluetooth devices and select "Manta SPK215" from the list.
- Once paired, the LED light will stop flashing, and you will hear a confirmation sound.
4.2 FM Radio Mode

Image: A hand pressing a button on the control panel, with an icon indicating FM radio functionality.
- Press the Mode button repeatedly until you enter FM Radio mode.
- Press the Play/Pause button to automatically scan and save available FM stations.
- Use the Volume Up/Next Track and Volume Down/Previous Track buttons to navigate between saved stations.
4.3 True Wireless Stereo (TWS) Function
You can pair two Manta SPK215 speakers together for a true stereo sound experience.

Image: Two Manta SPK215 speakers shown wirelessly connected to each other and receiving audio from a smartphone, illustrating the True Wireless Stereo (TWS) feature.
- Ensure both SPK215 speakers are powered on and not connected to any Bluetooth device.
- On one of the speakers (this will be the primary speaker), press and hold the TWS button (often integrated with the Mode or another button, refer to specific button icons if available).
- The speakers will attempt to pair with each other. Once successful, you will hear a confirmation sound.
- Now, connect your audio device to the primary speaker via Bluetooth as described in section 4.1. Audio will play through both speakers in stereo.
4.4 AUX Input Mode
- Connect one end of the AUX audio cable to the AUX input port on the speaker.
- Connect the other end of the AUX audio cable to the headphone jack or audio output of your external device.
- Press the Mode button repeatedly until you enter AUX mode.
- Control playback and volume from your external device.
4.5 LED Light Control

Image: The Manta SPK215 speaker displaying vibrant purple LED lights, suggesting dynamic lighting effects.
The Manta SPK215 features integrated LED lights that enhance the listening experience.
- Press the LED Light button to cycle through different light modes (e.g., color changing, pulsating).
- Continue pressing the button to turn the LED lights off.
5. Maintenance
5.1 Cleaning
- Wipe the speaker with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
5.2 Storage
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the battery periodically to maintain its health.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Charge the speaker using the provided USB cable. |
| No sound from the speaker. | Volume is too low or muted. Device not paired correctly. Incorrect mode selected. | Increase volume on both speaker and connected device. Re-pair Bluetooth. Ensure correct mode (Bluetooth, FM, AUX) is selected. |
| Bluetooth pairing fails. | Speaker is already paired to another device. Device is out of range. | Ensure speaker is in pairing mode. Disconnect from other devices. Move device closer to the speaker (within 10 meters). |
| Poor FM radio reception. | Weak signal. | Move the speaker to a location with better reception. |
7. Specifications
- Model: Manta SPK215
- Dimensions (L x W x H): 50 x 50 x 28 cm
- Weight: 190 grams
- Power Source: Battery Powered
- Light Source: LED
- Bluetooth Version: 5.0
- Water Resistance: IPX5 (Splash-proof, not submersible)
- Features: FM Radio, True Wireless Stereo (TWS)

Image: The Manta SPK215 speaker positioned near water, indicating its IPX5 water resistance rating, suitable for outdoor use.
8. Warranty and Support
Manta products are designed and manufactured to the highest quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your purchase or visit the official Manta website. Please have your product model number (SPK215) and proof of purchase ready when contacting support.





