Sound Pro NDS-1521 - Loudspeaker Naxa - Free user manual and instructions

Product Type	Portable Bluetooth Speaker
Brand	Naxa
Model	Sound Pro NDS-1521
Color	Black
Dimensions (W x H x D)	7.5 x 3.5 x 3.0 inches
Weight	1.5 lbs
Power Source	Rechargeable lithium-ion battery via USB
Battery Capacity	1200 mAh
Playback Time	Up to 6 hours
Bluetooth Version	5.0
Bluetooth Range	33 ft (10 m)
Audio Output	Stereo 3W x 2
Supported Audio Formats	MP3, WAV, WMA
FM Radio	Yes, with automatic scanning
USB/SD Card Playback	Yes (USB port and microSD card slot)
Hands-free Calling	Yes, built-in microphone
Controls	Buttons for power, volume, play/pause, mode, next/previous track
Care and Cleaning	Wipe with a soft, dry cloth; avoid liquids
Safety Precautions	Do not expose to water, heat, or flammable materials
Spare Parts / Repairability	Contact Naxa support for service; not user-repairable
What's Included	Speaker, USB charging cable, audio cable, user manual

Frequently Asked Questions - Sound Pro NDS-1521 Naxa

How do I pair my phone with the Naxa Sound Pro NDS-1521?

Turn on the speaker and enable Bluetooth on your phone. Search for devices and select NDS-1521. If prompted, enter the PIN 0000. The speaker will confirm with a tone.

How do I charge the speaker?

Use the included USB charging cable to connect the speaker to a USB power source (e.g., computer, wall adapter). The LED indicator will show red while charging and turn off when fully charged.

Can I play music from a USB drive or SD card?

Yes, insert a USB drive or microSD card (FAT32 formatted) into the respective slot. The speaker will automatically switch to that mode and play supported audio files (MP3, WAV, WMA).

How do I use the FM radio?

Press the Mode button until you reach FM mode. Then press and hold the Play/Pause button to auto-scan and save stations. Use Next and Previous to navigate saved stations.

Why is there no sound from the speaker?

Check that the speaker is turned on and volume is not muted. Ensure the audio source is connected properly via Bluetooth or cable. Also verify that the source device volume is not too low.

How do I answer a call with the speaker?

When connected via Bluetooth, an incoming call will ring through the speaker. Press the Play/Pause button to answer. Press it again to hang up. The built-in microphone allows hands-free conversation.

What is the Bluetooth range?

The effective Bluetooth range is up to 33 feet (10 meters) in open space. Walls and obstacles can reduce the range.

Can I use the speaker while charging?

Yes, you can use the speaker while it is connected to a USB power source. However, charging time may be longer if using it simultaneously.

How do I reset the speaker?

If the speaker is unresponsive, press and hold the Power button for 10 seconds until it powers off. Then turn it on again. For a full reset, remove all cables and wait 1 minute.

Is the speaker waterproof?

No, the Naxa Sound Pro NDS-1521 is not waterproof. Avoid exposure to rain, splashes, or liquids. Use it only in dry environments.

USER MANUAL Sound Pro NDS-1521 Naxa

Manual de Operación

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