‣ Powerful driver and subwoofer for perfect bass and loudness. ‣ Includes a circle buckle and carrying case for easy transport. ‣ 4 to 6 hours of playback time, depending on volume. ‣ Fast charging in just half an hour with a 1A charger. ‣ Adhesive base for versatile placement on flat surfaces. ‣ Compatible with various smartphones, including iPhone, Huawei, Samsung, OPPO, and OnePlus. ‣ Provides an excellent alternative to built-in phone speakers.