Introduction
The boAt Immortal 125 TWS in-ear earbuds are designed to provide a high-quality audio experience with features tailored for gaming and everyday use. This manual provides instructions for setting up, operating, and maintaining your earbuds to ensure optimal performance.
Official product overview video for the boAt Immortal 125 TWS Earbuds, demonstrating key features and design.
What's in the Box
Please ensure all the following items are present in your product packaging:
- boAt Immortal 125 TWS Earbuds
- Charging Cable (Type-C)
- Warranty Card
- User Manual
Setup
1. Initial Charging
Before first use, fully charge your boAt Immortal 125 earbuds and charging case. Use the provided Type-C charging cable. The earbuds feature ASAP Charge, providing up to 180 minutes of playback from just 10 minutes of charging.

Image showing the boAt Immortal 125 TWS Earbuds and their charging case, highlighting the 40 hours of playback and ASAP Charge capabilities.
2. Pairing with a Device (Insta Wake N’Pair)
- Open the lid of the charging case. The earbuds will automatically power on and enter pairing mode (indicated by flashing LED lights).
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for "Immortal 125" in the list of available Bluetooth devices.
- Select "Immortal 125" to connect. Once connected, the earbuds will indicate successful pairing.
The Insta Wake N’Pair (IWP) technology allows for instant connection when the case is opened after initial pairing. The earbuds utilize Bluetooth v5.3 for stable connectivity up to 10 meters.

Image illustrating the IWP Technology for quick pairing, IPX4 splash and sweat resistance, Type-C charging interface, and compatibility with voice assistants.
Operating Instructions
Touch Controls
The Immortal 125 earbuds feature intuitive touch controls for managing audio playback, calls, and other functions:
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Volume Up: Triple tap on the right earbud.
- Volume Down: Triple tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
- Activate Voice Assistant: Press and hold either earbud for 3 seconds.
- Toggle BEAST Mode: Long press the right earbud for 2 seconds to activate/deactivate low latency gaming mode.
Gaming Mode (BEAST Mode)
Activate BEAST Mode for a super-low latency experience of 40ms, synchronizing visuals with audio for enhanced gaming. Refer to the touch controls section for activation.

Image displaying the boAt Immortal 125 TWS Earbuds and case, emphasizing the BEAST Mode for 40ms super low latency gaming.
Key Features
- BEAST Mode with 40ms Super Low Latency: Designed for gaming, this mode minimizes audio delay to ensure synchronized sound and visuals.
- Up to 40 Hours Playtime: Enjoy extended listening sessions with a combined battery life of up to 40 hours (earbuds + charging case).
- Quad Mics with ENx Technology: Four microphones with Environmental Noise Cancellation (ENx) technology provide clear voice calls by reducing background noise.
- boAt Signature Sound with 10mm Dual Drivers: Experience dynamic audio with deep bass and clear treble, delivered by 10mm audio drivers.
- RGB LED Lights: The charging case features breathing RGB LEDs that add a visual flair to your gaming setup.
- IPX4 Water Resistance: The earbuds are resistant to sweat and splashes, making them suitable for workouts and outdoor activities.
- Bluetooth v5.3: Provides a stable and efficient wireless connection with compatible devices.

Image showing a detailed view of an earbud, emphasizing the ENx Technology for clear calls.

Image providing an internal view of an earbud, showcasing the components responsible for boAt Signature Sound.

Image showing the earbuds in their charging case with the RGB LED lights active.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Exposure: While IPX4 rated for sweat and splash resistance, avoid submerging the earbuds in water or exposing them to heavy rain. Ensure they are dry before placing them back in the charging case.
- Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Charging: Use only the provided Type-C charging cable or a certified equivalent.
Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Place them back in the case, close the lid, then open it again to re-enter pairing mode. Check your device's Bluetooth settings and try reconnecting. |
| No sound from one earbud | Ensure both earbuds are charged. Try resetting the earbuds (refer to the full user manual for specific reset instructions if needed). Re-pair with your device. |
| Low volume | Adjust volume on both the earbuds via touch controls and your connected device. Clean any debris from the earbud nozzles. |
| Charging issues | Ensure the charging cable is securely connected to both the case and a power source. Try a different charging cable or power adapter. Clean the charging contacts on the earbuds and inside the case. |
| Bluetooth connection drops | Ensure you are within the 10-meter Bluetooth range. Avoid obstacles between the earbuds and your device. Disconnect and re-pair the earbuds. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Immortal 125 |
| Connectivity Technology | Bluetooth v5.3 |
| Wireless Range | 10 Metres |
| Audio Driver Type | Dynamic Driver |
| Driver Size | 10 mm (Dual Drivers) |
| Microphones | Quad Mics with ENx Technology |
| Latency | 40 ms (BEAST Mode) |
| Battery Life | Up to 40 Hours (Total Playtime) |
| Charging Time | 10 minutes charge for 180 minutes playback (ASAP Charge) |
| Water Resistance | IPX4 (Sweat and Splash Resistant) |
| Control Method | Touch Controls |
| Earpiece Shape | In-ear |
| Material | Plastic |
| Item Weight | 110 Grams |
| Product Dimensions | 3.9 x 9.1 x 13 cm |
Warranty and Support
Your boAt Immortal 125 TWS Earbuds come with a warranty. Please refer to the included Warranty Card for details on the warranty period and terms. For technical support, service, or further inquiries, please visit the official boAt support website or contact their customer service.
Manufacturer: Imagine Marketing Ltd.





