MZ M401SP Portable Bluetooth Speaker.

This speaker features Dynamic Thunder Sound with High Bass and a 3W power output. 

It has a 500mAh battery and supports wireless connectivity, likely via Bluetooth. 

The speaker has multiple connectivity options, including Bluetooth, USB, and TF card. 

It is a compact, portable speaker designed for on-the-go use. 

Some versions may also include a candlelight effect with RGB lights.