Loud volume, and clear HIFI stereo. 25+ hours of music/talk time. Low power warning & power-saving mode. Quick pairing & auto-reconnect. Stable signal, 30m range. Compatible with most devices. Auto-answer calls within 10 seconds. Voice assistant/Siri support. Connects to two phones at once. Large buttons, glove-friendly. IPX6 waterproof for all weather. Simple pairing via function key. Works with full-face, open-face, and flip-face helmets. Includes mic, clip base, and stickers. RGB lights