The Zealot S53 delivers powerful 10–20 W RMS audio from its 57 mm full-range driver with deep bass and 360° stereo sound (TWS-capable), long-lasting playback—12–24 hours on its 3600–4400 mAh battery with up to ~90 days standby—Bluetooth 5.0 connection (~10 m range), IPX6 waterproofing with rugged, nylon/polyester mesh casing, versatile playback via Bluetooth, AUX, TF card, and USB drive, built‑in noise‑cancelling mic for hands‑free calling, detachable strap for portability, Type‑C/USB charging, colorful RGB lighting, FM radio support, and compact outdoor-ready design all in one robust speaker.