1. Introduction
Thank you for choosing the Portronics Harmonics Twins S9 True Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features such as Bluetooth 5.3 connectivity, balanced bass, and intuitive touch controls. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance.
Image 1.1: Portronics Harmonics Twins S9 Earbuds and Charging Case.
2. What's in the Box
Please check the package contents to ensure all items are present:
- 2 x Harmonics Twins S9 Earbuds
- 1 x Charging Case
- 1 x USB Type-C Charging Cable
- 1 x User Documentation
3. Setup
3.1 Charging the Earbuds and Case
Before first use, fully charge the Harmonics Twins S9 earbuds and their charging case. The case features a dual-LED display to show the battery status of both the earbuds and the case itself.
- Connect the provided USB Type-C charging cable to the charging port on the case.
- Connect the other end of the cable to a compatible USB power source (e.g., wall adapter, computer USB port).
- The LED display on the case will indicate the charging status. When fully charged, the display will show 100%.
- Place the earbuds into the charging case. They will automatically begin charging. The individual earbud battery indicators on the case display will show their charging status.
Image 3.1: Charging the Harmonics Twins S9 case via Type-C port.
Image 3.2: The dual-LED display indicates the battery status of both earbuds and the charging case.
3.2 Pairing with a Device
The Harmonics Twins S9 earbuds utilize Bluetooth 5.3 for a stable and seamless connection.
- Power On: Open the charging case. The earbuds will automatically power on and enter pairing mode. You may hear an audible prompt.
- Activate Bluetooth: On your smartphone, tablet, or other Bluetooth-enabled device, go to the Bluetooth settings and ensure Bluetooth is turned on.
- Select Device: In the list of available Bluetooth devices, look for "Harmonics Twins S9" and select it to connect.
- Confirmation: Once connected, you will hear a confirmation tone, and the device will show "Connected" next to "Harmonics Twins S9".
The earbuds will automatically reconnect to the last paired device when taken out of the case, provided Bluetooth is enabled on the device.
Image 3.3: The earbuds feature Bluetooth 5.3 for fast and reliable connections.
Image 3.4: Quick auto-pairing with a smartphone.
4. Operating the Earbuds
4.1 Touch Controls
The Harmonics Twins S9 earbuds feature soft-touch controls for easy management of music playback, calls, and voice assistant activation.
Image 4.1: Detailed touch control functions for each earbud.
| Action | Left Earbud | Right Earbud |
|---|---|---|
| Single Tap | Volume Down | Volume Up |
| Double Tap | Play/Pause Music, Answer Incoming Call | |
| Triple Tap | Activate Voice Assistant, Reject Call | Activate Voice Assistant, Reject Call |
| Long Press | Previous Track, Reject Call | Next Track, Reject Call |
4.2 Call Management
The earbuds are equipped with a dual microphone system for clear call quality.
- Answer Call: Double tap either earbud.
- End Call: Double tap either earbud during a call.
- Reject Call: Triple tap either earbud or long press either earbud.
Image 4.2: The dual mic system enhances call clarity.
5. Maintenance
5.1 Cleaning
To maintain optimal performance and hygiene, regularly clean your earbuds and charging case.
- Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
- Do not use abrasive materials, solvents, or aerosol sprays.
- Gently clean the charging contacts on both the earbuds and the case with a dry cotton swab if necessary.
5.2 Water Resistance (IPX4)
The Harmonics Twins S9 earbuds are IPX4 splash resistant, meaning they can withstand splashes of water from any direction. This makes them suitable for workouts and light rain.
- Do not submerge the earbuds in water.
- Avoid exposing them to pressurized water or high-velocity water, such as showering or swimming.
- Ensure the earbuds are dry before placing them back into the charging case to prevent damage.
6. Troubleshooting
If you encounter any issues with your Harmonics Twins S9 earbuds, please refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing |
|
| Only one earbud working |
|
| No sound or low volume |
|
| Charging issues |
|
7. Specifications
Key technical specifications for the Portronics Harmonics Twins S9 Earbuds:
| Feature | Detail |
|---|---|
| Model Name | Harmonics Twins S9 |
| Item Model Number | POR-1981 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Audio Driver Type | Dynamic Driver |
| Driver Size | 13mm |
| Playtime | Up to 30 hours (with charging case) |
| Charging Port | USB Type-C |
| Water Resistance | IPX4 Splash Resistant |
| Control Method | Touch, Voice |
| Material | Plastic |
| Item Weight | 100 Grams |
| Product Dimensions | 9.5 x 8.5 x 3.7 cm |
| Battery Type | Lithium Polymer (included) |
8. Warranty and Support
Portronics products are designed for reliability and performance. For information regarding warranty coverage and customer support, please refer to the warranty card included in your product packaging or visit the official Portronics website.
For technical assistance or service inquiries, please contact Portronics customer support:
- Phone: 9555-245-245
- Manufacturer Address: Portronics Digital Pvt Ltd, Unit No. 1082-1090, 10th Floor, Block-B, Vegas, Dwarka, Sec-14, New Delhi-110075
