M42VP (PORTABLE BLUETOOTH SPEAKER) Dynamic Sound with Wireless FM & Torch
That offers dynamic thunder sound and comes with various features for a versatile audio experience. Here's a breakdown of its specifications and features:

Operating Voltage: The speaker operates at a voltage of 4.2 volts.

Impedance: It has a tight impedance of 4 ohms, which helps in delivering clear and crisp audio.

Speaker Output: The speaker boasts a speaker output of 5 watts, which should provide a decent level of volume and sound quality for its size.

MP3 Bit Rate: It supports MP3 files with bit rates ranging from 8k bps (kilobits per second) to 320k bps, allowing you to enjoy a wide range of audio quality levels.

Frequency Response: The speaker has a frequency response range of 20Hz to 20KHz, which means it can reproduce sound across the audible spectrum, delivering both deep bass and high-frequency audio.

Battery: It is equipped with a rechargeable lithium-ion battery rated at 3.7 volts and 1200mAh capacity. This should provide a decent amount of playback time on a single charge, depending on usage.

Bluetooth Version: The speaker features Bluetooth version 5.0, which offers a stable and efficient wireless connection to your compatible devices such as smartphones, tablets, and laptops.

USB/TF Card Support: You can connect a USB drive or a TF (microSD) card to the speaker to play audio files directly from these sources. This feature allows for versatile playback options.

Support for Headset: The speaker supports headset connectivity, which means you can use it as a Bluetooth headset for hands-free calls or listening to audio privately.

Recording Feature: The inclusion of a recording feature suggests that you can record audio directly using this speaker, which can be useful for capturing meetings, interviews, or personal memos.
In-Built Torch:- This features helps you find your way in the dark with the pleasure of your favourite music.

The MZ M42VP portable Bluetooth speaker appears to be a versatile device suitable for a variety of audio needs, whether it's playing music wirelessly via Bluetooth, listening to MP3s from USB/TF cards, or even recording audio. Its dynamic sound and compatibility with different audio sources make it a practical choice for on-the-go entertainment or communication.