• Product Overview: The UiiSii HM16 In-Ear Metal Headphones are designed to deliver rich, bass-driven audio performance in a durable, stylish package. Crafted with precision CNC-machined metal alloy earbud housing, these earphones reduce acoustic resonance to output warm, punchy low-end bass alongside clear vocal presence and detailed treble response. Powered by a 12mm dynamic driver unit, the HM16 offers an engaging soundstage suitable for music, podcasts, mobile gaming, and daily calls. Outfitted with an ergonomic 45-degree oblique in-ear design, high-flexibility tangle-resistant TPE cable, and an inline HD microphone with a multi-function control button, the UiiSii HM16 ensures comfortable long-term wear and effortless hands-free convenience across all devices with a standard 3.5mm audio port. • Key Highlight 1: CNC Metal Alloy Earbud Housing - Precision metal construction minimizes internal sound resonance and delivers enhanced bass. • Key Highlight 2: Powerful 12mm Dynamic Driver - Custom-tuned dynamic unit provides deep, punchy low-end and natural vocal clarity. • Key Highlight 3: Ergonomic 45° Oblique Fit - Angled nozzle design conforms naturally to the ear canal for passive noise isolation and secure comfort. • Key Highlight 4: Integrated HD Mic & Remote Control - In-line microphone enables clear voice calls and easy music playback control.