1. Introduction
Thank you for purchasing the boAt Stone Arc 20W Bluetooth Speaker. This manual provides essential information for the safe and efficient use of your device. Please read these instructions carefully before using the product and retain them for future reference.
2. What's in the Box
- boAt Stone Arc Speaker
- Charging Cable
- User Manual
3. Product Overview
The boAt Stone Arc is a portable Bluetooth speaker designed to deliver powerful audio with enhanced features. It includes 20W boAt Signature Sound, 58mm drivers, RGB LED modes, and TWS functionality for an immersive listening experience.

Image: The boAt Stone Arc speaker, showcasing its 20W Signature Sound and 58mm drivers for a rich audio experience.
Controls and Ports
Familiarize yourself with the speaker's buttons and ports for optimal use.

Image: A close-up of the boAt Stone Arc speaker, illustrating its multi-connectivity options (Bluetooth v5.4, AUX, TF Card), built-in microphone, and IPX5 sweat and splash resistance.
- Power Button: Press and hold to power on/off.
- Volume Up/Next Track: Short press for volume up, long press for next track.
- Volume Down/Previous Track: Short press for volume down, long press for previous track.
- Play/Pause/Call Button: Press to play/pause music, answer/end calls.
- Mode Button: Press to switch between Bluetooth, AUX, and TF Card modes.
- RGB LED Button: Press to cycle through RGB lighting modes.
- Charging Port: USB-C port for charging.
- AUX-in Port: For wired audio connection.
- TF Card Slot: For playing music directly from a TF card.
4. Setup
4.1 Charging the Speaker
- Connect the provided 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 LED indicator will show charging status. Once fully charged, the indicator will change or turn off.
A full charge provides up to 12 hours of playback time.

Image: The boAt Stone Arc speaker, highlighting its capability for up to 12 hours of continuous playback on a single charge.
4.2 Powering On/Off
- To Power On: Press and hold the Power button for 3 seconds. You will hear an audible prompt.
- To Power Off: Press and hold the Power button for 3 seconds. You will hear an audible prompt.
4.3 Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode (indicated by a flashing blue LED). If not, press the Mode button to switch.
- Enable Bluetooth on your mobile device or computer.
- Search for "boAt Stone Arc" in the list of available devices.
- Select "boAt Stone Arc" to connect. Once paired, the LED indicator will turn solid blue, and you will hear a confirmation tone.
4.4 TWS (True Wireless Stereo) Pairing
To achieve a stereo sound experience, you can pair two boAt Stone Arc speakers together.

Image: Two boAt Stone Arc speakers shown together, illustrating the True Wireless Stereo (TWS) mode for enhanced audio output.
- Ensure both boAt Stone Arc speakers are powered on and in Bluetooth pairing mode (flashing blue LED).
- On one of the speakers (this will be the primary speaker), press and hold the TWS button (if available, or a combination of buttons as per specific model instructions, typically the Play/Pause button for 3-5 seconds).
- The speakers will attempt to connect to each other. Once successfully paired, you will hear a confirmation tone, and the LED indicators on both speakers will change to a solid blue or indicate TWS connection.
- Now, connect your mobile device to the primary speaker via Bluetooth as described in section 4.3.
5. Operating Instructions
5.1 Playing Audio
- Play/Pause: Press the Play/Pause button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
- Next Track: Long press the Volume Up button.
- Previous Track: Long press the Volume Down button.
5.2 Call Management
When connected via Bluetooth, you can manage calls directly from the speaker.
- Answer Call: Press the Play/Pause/Call button.
- End Call: Press the Play/Pause/Call button during a call.
- Reject Call: Press and hold the Play/Pause/Call button for 2 seconds.
5.3 RGB LED Modes
The speaker features 6 RGB LED modes to enhance your listening experience.

Image: The boAt Stone Arc speaker displaying its vibrant RGB lighting, indicating the availability of 6 different LED modes.
- Press the RGB LED button to cycle through the available lighting modes.
- Press and hold the RGB LED button to turn the lights off.
5.4 Multiple Connectivity Options
The boAt Stone Arc supports various audio input methods.
- Bluetooth v5.4: For wireless audio streaming from compatible devices.
- AUX Mode: Connect an audio device using a 3.5mm AUX cable (not included) to the AUX-in port. The speaker will automatically switch to AUX mode or can be selected using the Mode button.
- TF Card Mode: Insert a TF (microSD) card with audio files into the TF card slot. The speaker will automatically play music from the card or can be selected using the Mode button.
6. Maintenance
6.1 Cleaning
- Wipe the speaker with a soft, dry cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents, as these may damage the surface.
6.2 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 every 3 months to maintain its lifespan.
6.3 Battery Care
- Avoid fully discharging the battery frequently.
- Do not expose the speaker to temperatures above 60°C (140°F).
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on | Low battery; Power button not pressed long enough | Charge the speaker; Press and hold the Power button for 3 seconds |
| Cannot pair via Bluetooth | Speaker not in pairing mode; Bluetooth disabled on device; Speaker too far from device | Ensure speaker is flashing blue LED; Enable Bluetooth on your device; Move speaker closer to device (within 10 meters) |
| No sound | Volume too low; Incorrect input mode; Device not playing audio | Increase speaker and device volume; Press Mode button to select correct input; Ensure audio is playing on your device |
| TWS pairing fails | Speakers too far apart; One speaker already connected to a device | Ensure speakers are close to each other; Disconnect any Bluetooth devices from both speakers before TWS pairing |
| RGB lights not working | Lights turned off; Malfunction | Press the RGB LED button to cycle modes; If issue persists, contact support |
8. Specifications
- Model Name: Stone Arc
- Model Number: HA0031
- Speaker Output Power: 20 Watts
- Driver Size: 58mm
- Connectivity: Bluetooth v5.4, AUX, TF Card
- Audio Output Mode: Stereo
- Battery Life: Up to 12 Hours
- Water Resistance: IPX5 (Sweat & Splash Resistant)
- Control Method: Push Button
- Built-in Mic: Yes
- Item Weight: 830 Grams
- Item Dimensions (D x W x H): 23D x 9W x 8H Centimeters
- Country of Origin: China
9. Warranty and Support
9.1 Warranty Information
The boAt Stone Arc speaker comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your purchase receipt for warranty claims.
9.2 Customer Support
For any support, queries, or warranty claims, please contact Imagine Marketing Ltd. at info@imaginemarketingindia.com.
10. Safety Information
- Do not disassemble, repair, or modify the speaker.
- Keep the speaker away from extreme temperatures, direct sunlight, and open flames.
- Avoid exposing the speaker to water beyond its IPX5 rating. Do not submerge it.
- Use only the specified charging cable.
- Do not listen at high volume levels for extended periods to prevent hearing damage.
- Keep out of reach of children.