The VIDVIE SP916 Trolley Bluetooth Speaker is a portable speaker system designed for karaoke and radio use. With a sleek black color and wireless connectivity options, this speaker is easy to use and versatile. It features two wireless mics, a 45W RMS power output, and a battery capacity of 5600 mAh for long-lasting use. The speaker also includes features such as a remote control, WiFi connectivity, and an SD card slot for added convenience. Perfect for on-the-go entertainment, the VIDVIE SP916 is a top choice for those looking for a reliable and high-quality audio solution.