Calus Extreme Boom 3 Bluetooth Speaker.

Audio Output: This speaker typically delivers around 80W to 110W of power, with a peak output reaching up to 220W. Connectivity: It uses Bluetooth 5.3 for stable wireless connections and supports multiple playback modes, including USB (U-disk), TF-card (microSD), and AUX (3.5mm jack). Durability: The speaker is rated IPX6 waterproof, making it resistant to high-pressure water sprays and splashes. Battery Life: It is equipped with a large 7000mAh battery (some versions may vary) that can provide several hours of playtime and even function as a power bank to charge other devices. Extras: It features dynamic RGB "dazzle dish" lighting effects that can sync with your music and includes a built-in microphone for hands-free calling.