The XDobo X8max 100W is a portable, powerful Bluetooth speaker with a 100W output, 360-degree surround sound, and a 20,000mAh battery that can also charge other devices. It features multiple playback options including Bluetooth 5.0, AUX, USB drive, and TF card, an IPX5 waterproof rating, and can be interconnected with another speaker for TWS (True Wireless Stereo) sound. The speaker also includes a built-in microphone for calls and has a portable design with an included strap.