NVR-830TBTU - Pregnant NEVIR - Free user manual and instructions
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| Product Type | Portable Bluetooth Speaker |
| Model | NVR-830TBTU |
| Brand | Nevir |
| Dimensions (approx.) | 20 cm x 8 cm x 8 cm (7.9 in x 3.1 in x 3.1 in) |
| Weight | 0.6 kg (1.32 lbs) |
| Power Supply | Built-in rechargeable lithium-ion battery, DC 5V via Micro USB |
| Battery Life | Up to 6 hours at medium volume |
| Bluetooth Version | 5.0 |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Supported Audio Sources | Bluetooth, USB drive, microSD card, AUX input, FM Radio |
| Speaker Output | 10W RMS (1 x 10W or 2 x 5W) |
| Frequency Response | 80 Hz - 18 kHz |
| Hands-Free Function | Yes, built-in microphone for phone calls |
| Controls | Buttons: Power, Volume+/-, Play/Pause, Mode, Next/Previous track |
| Additional Features | TWS (True Wireless Stereo) pairing support |
| Materials | Plastic housing with fabric grille |
| Water Resistance | IPX6 (splash resistant) - estimate |
| Maintenance | Clean with a soft, dry cloth; avoid liquids into openings |
| Safety | Do not disassemble; keep away from heat sources and moisture |
| Spare Parts & Repairability | Battery replacement by qualified technician; contact Nevir support |
Frequently Asked Questions - NVR-830TBTU NEVIR
How do I pair my phone with the speaker?
Turn on the speaker, it enters Bluetooth pairing mode automatically (LED flashes). On your phone, search for NVR-830TBTU and select it. Once connected, the LED stops flashing.
How long does the battery last?
The built-in battery provides up to 6 hours of playback at moderate volume. Higher volume reduces battery life.
Can I use the speaker while charging?
Yes, you can play music while the speaker is connected to a charger via the Micro USB port.
How do I switch to FM radio mode?
Press the Mode button until the display shows FM. The speaker acts as an antenna; for best reception, connect the included USB charging cable as an antenna extender.
Why is the sound distorted?
Check if the volume is set too high on both the speaker and your device. Also ensure the speaker is not placed near reflective surfaces. Reduce the bass if possible.
How to clean the speaker?
Use a soft, dry cloth to wipe the exterior. Do not use any liquids or abrasive cleaners. Avoid getting moisture into any openings.
Can I connect two speakers together?
Yes, if both speakers support TWS (True Wireless Stereo). Activate TWS on both speakers (usually by double-pressing the Mode button) and they will pair automatically.
What file formats are supported via USB?
Common audio formats like MP3, WMA, WAV, FLAC are supported. The USB port supports up to 32GB drives formatted in FAT32.
The speaker is not turning on. What to do?
Make sure the battery is charged. Connect the charger and wait a few minutes, then try pressing the Power button. If still not working, contact Nevir support.
Is the speaker water resistant?
This model is designed with splash resistance (approx. IPX6). It can withstand rain or splashes, but do not submerge in water.
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