Introduction
The Portronics Harmonics Twins 24 are True Wireless Stereo (TWS) earbuds designed for an immersive audio experience. Featuring Bluetooth 5.0 connectivity, these earbuds offer clear sound with detailed trebles, mids, and bass. They are lightweight, ergonomically designed for comfortable all-day listening, and include a charging case for extended playtime.
Package Contents
Upon opening the package, ensure all items are present:
- Portronics Harmonics Twins 24 TWS Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
Setup
1. Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the provided USB Type-C cable to the charging port on the case and to a power source. The indicator lights on the case will show the charging status. A full charge provides up to 15 hours of total playtime with the charging case.

Image: The Portronics Harmonics Twins 24 earbuds resting inside their charging case, illustrating the charging process.
2. Bluetooth Pairing
- Power On: Open the charging case. The earbuds will automatically power on and enter pairing mode. The LED indicator on the earbuds will flash.
- Activate Bluetooth: On your smartphone or other Bluetooth-enabled device, enable Bluetooth.
- Select Device: Search for "Harmonics Twins 24" in the list of available Bluetooth devices and select it to connect.
- Confirmation: Once successfully paired, the earbud LED indicator will stop flashing, and you will hear an audio prompt.

Image: A pair of hands holding the left and right earbuds, illustrating the True Wireless Stereo (TWS) connection process between the two earbuds and the device.
The earbuds will automatically reconnect to the last paired device when taken out of the case, provided Bluetooth is enabled on the device.
Operating Instructions
The Harmonics Twins 24 earbuds feature feather-touch controls for easy management of music and calls.

Image: A finger gently touching the surface of an earbud, indicating the smart touch control functionality.
Touch Controls
| Function | Action |
|---|---|
| Play/Pause Music | Single tap on either earbud |
| Next Track | Double tap on the Right earbud |
| Previous Track | Double tap on the Left earbud |
| Answer/End Call | Single tap on either earbud |
| Reject Call | Long press on either earbud |
| Activate Voice Assistant | Triple tap on either earbud |
Maintenance
Proper care ensures the longevity and optimal performance of your earbuds.
- Cleaning: Use a soft, dry cloth to clean the earbuds and charging case. Do not use liquids or abrasive cleaners.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Avoid Extreme Conditions: Do not expose the earbuds to extreme temperatures, humidity, or direct sunlight.
- Water Resistance: These earbuds are not waterproof. Avoid contact with water or other liquids.
Troubleshooting
If you encounter issues with your Harmonics Twins 24 earbuds, refer to the following common solutions:
- Earbuds not pairing with device:
- Ensure the earbuds are charged.
- Turn off and on Bluetooth on your device.
- Place earbuds back in the case, close it, then open again to re-enter pairing mode.
- Forget "Harmonics Twins 24" from your device's Bluetooth list and try pairing again.
- Only one earbud working:
- Ensure both earbuds are charged.
- Place both earbuds back in the charging case, close the lid, wait a few seconds, then open the lid and take them out simultaneously. This often forces them to re-sync.
- If the issue persists, try resetting the earbuds (refer to the full product manual for specific reset instructions if available, or try forgetting the device and re-pairing).
- No sound or low volume:
- Check the volume level on both your device and the earbuds.
- Ensure the earbuds are properly connected to your device.
- Clean any debris from the earbud speaker mesh.
- Earbuds not charging:
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging port is clean and free of debris.
- Try a different charging cable or power adapter.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Twins 24 |
| Model Number | POR-1423 |
| Bluetooth Version | 5.0 |
| Ear Placement | In Ear |
| Total Playtime | Up to 15 Hours (with charging case) |
| Charging Port | Type-C |
| Control Type | Touch, Voice Control |
| Audio Driver Type | Dynamic Driver |
| Impedance | 32 Ohms |
| Material | ABS Plastic |
| Item Weight | 41 Grams |
Warranty Information
The Portronics Harmonics Twins 24 Smart TWS Earbuds come with a 1 Year Manufacturing Warranty from the date of purchase. This warranty covers manufacturing defects. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your purchase receipt for warranty claims.
Customer Support
For any queries, technical assistance, or warranty claims, please contact Portronics customer support:
- Manufacturer: Portronics
- Importer/Manufacturer Contact Information: Portronics Digital Pvt Ltd. FLOOR-1st and 2nd, B-76, Wazirpur Industrial area, Wazirpur, New Delhi, Delhi, 110052
- Please refer to the official Portronics website or your purchase documentation for the most current contact details, including phone numbers or email addresses.





