Calus S128 Pro Wireless Speaker.

Audio Output: 30W output (2x15W) with deep bass and Hi-Res Audio compatibility. Connectivity: Multiple playback options including Bluetooth 5.3, USB drive, TF card (micro-SD), AUX input, and built-in FM radio. Battery: A large 6,000mAh battery provides approximately 7-8 hours of playtime at 50% volume. Design: Features a portable, waterproof build with a carry handle for easy transport. Lighting: Includes multi-color RGB light effects. Usability: A clear battery display helps users monitor power levels.