The M203 is a portable Bluetooth speaker designed for dynamic sound and karaoke use. Here's a breakdown of its features and specifications:

Sound Quality:

It offers dynamic sound with a 4\\\\\\\\\\\\\\\" speaker, providing good audio quality for various types of music and vocal performances.

Karaoke Functionality:

The speaker is equipped with karaoke features, making it suitable for singing along to your favourite songs.
Dual Wireless Microphones with 
Voice Changer:
It includes two wireless microphones, allowing you to perform duets or have a second vocalist. Additionally, the built-in voice changer adds fun and versatility to your performances.

Connectivity Options:

It provides multiple connectivity options, including a Type C port, USB port, AUX IN, and support for memory cards, making it easy to connect various devices.

Wireless Range:
It offers a wireless range of up to 10 meters, allowing you to move around while using the speaker.

Power Input:
It can be charged using a DC 5V power source, which is a standard power input for many electronic devices.

Frequency Range:
The frequency range is 20Hz to 20KHz, indicating the range of audio frequencies the speaker can reproduce.

The charging time for the battery is between 3-5 hours, depending on the current charging conditions.
In summary, the M203 is a feature-rich portable Bluetooth speaker designed for karaoke and general entertainment. It offers various connectivity options, wireless microphones, and visual effects  making it suitable for parties, gatherings, and karaoke sessions.