UBON Sultaan SP‑47 Sultan is a black, made‑in‑India portable wireless speaker delivering bold 10 W (50 W peak) ultra‑bass sound with 360° audio. It offers Bluetooth v5.0 connectivity, USB/TF card/AUX/FM modes, RGB breathing lights, inline mic for calls, up to 10 hours playtime, sling‑belt design, BIS certified, and a 6‑month warranty. https://ubonindia.com/collections/wireless-speakers/products/ubon-sultaan-sp-47-wireless-speaker