Vidvie portable wireless speaker, model SP920. Key features include:
Connectivity: Bluetooth and AUX cable options.
Power: 50W output, 7.4V/4000 battery.
Battery Life: Up to 4 hours of playback.
Features: Built-in microphone for calls, FM radio, TF card slot, and USB port for charging other devices.
Design: Portable with a handle.
Sound: 360° sound with enhanced bass.
Additional: Some models are waterproof.