1. Sehlahisoa Overview
The Portronics Decibel 21 is a 10W wireless Bluetooth soundbar designed to enhance your audio experience. It features multi-color LED lights, True Wireless Stereo (TWS) functionality, a built-in microphone, FM radio, and multiple connectivity options including USB, 3.5mm Aux, and Micro SD card slots. Its compact design and durable battery make it suitable for various environments.

Setšoantšo sa 1.1: Pele view of the Portronics Decibel 21 Soundbar with LED lights.
Likarolo tsa Bohlokoa:
- Sephetho sa Molumo sa 10W: Delivers clear and powerful sound.
- Bluetooth 5.0: For seamless wireless connectivity.
- 'Nete Wireless Stereo (TWS): Connect two Decibel 21 soundbars for enhanced stereo sound.
- Mabone a LED a Mebala e Mengata: Dynamic lighting effects to complement your audio.
- Mekhoa e Mengata ea ho Bapala: Bluetooth, AUX, USB, Micro SD, FM Radio.
- Microphone e hahelletsoeng ka hare: Bakeng sa mohala o sa lefelloeng ka matsoho.
- 1800mAh Betri: Provides extended playback time.
- Moralo oa Compact and Portable: Easy to carry and place.
2. Se ka Lebokoseng
Ka kopo, sheba litaba tsa sephutheloana ka mor'a unboxing ho netefatsa hore lintho tsohle li teng:
- 1x Portronics Decibel 21 Wireless Soundbar
- 1x Mofuta oa C oa ho tjhaja Cable
- 1x Aux Cable
- 1x Buka ea Mosebelisi (tokomane ena)
3. Likarolo tsa Sehlahisoa le Litaolo
Familiarize yourself with the various parts and control buttons of your Decibel 21 soundbar.

Image 3.1: Top and rear view illustrating control buttons and connectivity ports.
Litaolo tsa Phanele tse ka Holimo:
- Konopo ea Matla: Long press to power on/off. Short press to change mode.
- Konopo ea ho Bapala/Emisa: Bapala kapa emisa molumo. Araba/felisa mehala.
- Previous/Volume Down (-): Tobetsa ka bokhutshwane bakeng sa pina e fetileng, tobetsa nako e telele ho fokotsa modumo.
- Next/Volume Up (+): Tobetsa ka bokhutshwane bakeng sa pina e latelang, tobetsa nako e telele ho eketsa modumo.
- Konopo ea Multifunction: (Specific functions may vary by mode, e.g., TWS pairing, FM scan).
Likou tsa Panel tse ka Morao:
- Microphone (Mic) Port: For external microphone input (if applicable).
- AUX-in Port: Connect external audio devices via 3.5mm audio cable.
- Boema-fofane ba ho tjhaja ba Type-C: For charging the soundbar.
- Slot ea Karete ea Micro SD: Insert a Micro SD card for direct audio playback.
- Boema-kepe ba USB: Insert a USB drive for direct audio playback.
4. Tataiso ea ho seta
4.1 Ho tjhaja Soundbar
- Connect the provided Type-C charging cable to the soundbar's charging port.
- Hokela ntlha e 'ngoe ea thapo ho adaptara ea matla ea USB (ha e kenyelelitsoe) kapa koung ea USB ea komporo.
- Letšoao la LED le tla bontša boemo ba ho tjhaja 'me le tla tima ha le tjhaja ka botlalo.

Image 4.1: Illustration of the soundbar's 1800mAh battery capacity.
4.2 Ho Matlafatsa/Ho tima
- To power on, long press the Power button until the LED lights illuminate.
- To power off, long press the Power button again until the LED lights turn off.
4.3 Ho hokahanya ha Bluetooth
- Ensure the soundbar is powered on and in Bluetooth mode (indicated by a flashing blue LED). If not, short press the Power button to cycle modes until Bluetooth mode is active.
- Sesebedisweng sa hao (smartphone, tablet, laptop), bula Bluetooth mme o batle disebediswa tse teng.
- Select "Portronics Decibel 21" from the list.
- Hang ha e pentiloe, letšoao la LED le tla emisa ho benya 'me le lule le le putsoa.

Image 4.2: Soundbar connected wirelessly to a laptop via Bluetooth.
4.4 Tšebeliso ea 'Nete ea Wireless Stereo (TWS).
TWS allows you to connect two Decibel 21 soundbars for a synchronized stereo audio experience.
- Ensure both Decibel 21 soundbars are powered on and in Bluetooth mode, but eseng yet paired to any device.
- On one of the soundbars, long press the Multi-function button (or TWS button if present) until you hear an indication sound.
- The two soundbars will automatically search and pair with each other. A successful connection will be indicated by an audible prompt.
- Once paired, connect your device to one of the soundbars via Bluetooth as described in Section 4.3. Both soundbars will now play audio simultaneously.

Image 4.3: Two Decibel 21 soundbars connected via TWS for 20W clear sound.
4.5 Other Connectivity Modes
Short press the Power button to cycle through the following modes:
- Mokhoa oa AUX: Connect an external audio device using the 3.5mm AUX cable. The soundbar will automatically switch to AUX mode when the cable is inserted.
- Mokhoa oa USB: Insert a USB flash drive into the USB port. The soundbar will automatically detect and play audio files ho tloha ka koloi.
- Mokhoa oa Micro SD: Insert a Micro SD card into the Micro SD slot. The soundbar will automatically detect and play audio files ho tsoa kareteng.
- Mokhoa oa Radio oa FM: In FM mode, the soundbar will automatically scan and save available radio stations. Use the Previous/Next buttons to navigate between stations.
5. Litaelo tsa Ts'ebetso
5.1 Motheo oa ho Bapala Molumo
- Bapala/Emisa: Tobetsa nakoana konopo ea Play/Emisa.
- Phetoho ea Bolumo: Long press the '+' button to increase volume, long press the '-' button to decrease volume.
- Track Navigation: Short press the '+' button for the next track, short press the '-' button for the previous track.
5.2 Answering Calls (Bluetooth Mode)
- When a call comes in, the soundbar will ring. Short press the Play/Pause button to answer the call.
- To end a call, short press the Play/Pause button again.
- To reject a call, long press the Play/Pause button.
Mefuta e 5.3 ea Leseli la LED
The soundbar features multi-color LED lights that change dynamically. Specific controls for changing light modes or turning them off may be integrated with the Multi-function button or a dedicated light button (refer to product packaging or quick start guide for exact button mapping if available).

Image 5.1: The soundbar displaying its multi-color LED lights.
6. Tlhokomelo
- Ho hloekisa: Use a soft, dry cloth to clean the surface of the soundbar. Do not use abrasive cleaners or solvents.
- Polokelo: Store the soundbar in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
- Tlhokomelo ea Betri: Ho lelefatsa bophelo ba betri, qoba ho ntsha betri ka botlalo kgafetsa. Tjhaja sesebediswa kgafetsa, leha se sa sebediswe.
- Mathata a Metsi: The product is listed as waterproof. However, avoid submerging it in water or exposing it to heavy rain to prevent damage.
7. Ho rarolla mathata
If you encounter any issues with your Portronics Decibel 21 soundbar, please refer to the following table for common problems and solutions:
| Bothata | Lebaka le ka khonehang | Tharollo |
|---|---|---|
| Molumo ha o bule. | Betri e tlase; Konopo ea matla ha ea tobetsoa ka nepo. | Charge the soundbar. Long press the Power button. |
| Ha e khone ho para ka Bluetooth. | Soundbar not in pairing mode; Device Bluetooth off; Too far from device. | Ensure soundbar is in Bluetooth pairing mode (flashing LED). Turn on device Bluetooth. Move device closer to soundbar (within 10 meters). |
| Ha ho molumo o tsoang bareng ea molumo. | Volume too low; Incorrect mode selected; Device not playing audio. | Increase volume on soundbar and connected device. Ensure correct input mode (Bluetooth, AUX, USB, SD). Check if audio is playing on the connected device. |
| Ho kopanya TWS ho hlolehile. | Soundbars already paired to a device; Too far apart. | Ensure both soundbars are unpaired from any device. Place them close to each other. Repeat TWS pairing steps. |
| FM radio not working or poor reception. | Weak signal; Interference. | Move the soundbar to a location with better signal. Try rescanning for stations. |
8. Litlhaloso
Detailed technical specifications for the Portronics Decibel 21 Soundbar:
| Sebopeho | Lintlha |
|---|---|
| Lebitso la Mohlala | Decibel 21 |
| Nomoro ea Mohlala | POR-1405 |
| Mofuta oa Sebui | Soundbar |
| Audio Output Matla | 10 Watts |
| Theknoloji ea Khokahano | Bluetooth 5.0, Auxiliary, USB, Micro SD, FM Radio |
| Bokhoni ba Battery | 1800 mAh Lithium Polymer |
| Litekanyo tsa Sehlahisoa | 8.5D x 43W x 9H Disentimitara |
| Boima ba Ntho | 1.5 lik'hilograma |
| Boemo ba ho hanyetsa Metsi | Ha e kenele metsi |
| Kenyellelitsoe Likaroloana | Soundbar, Type-C Charging Cable, Aux Cable, User Manual |
| Moetsi | Portronics |
| Naha ea tlhaho | China |

Image 8.1: Diagram showing the dimensions of the Portronics Decibel 21 Soundbar.
9. Tiisetso le Tšehetso
The Portronics Decibel 21 Soundbar comes with a standard brand warranty. For detailed information regarding warranty terms, service, or technical support, please refer to the official Portronics websebaka kapa ikopanye le litšebeletso tsa bareki.
You can also find additional support and product information by visiting the Portronics Store on Amazon.
For any issues not covered in this manual, please reach out to authorized service centers or customer support for assistance.





