1. A composite diaphragm speaker that produces HiFi sound and strong bass 2. Long-lasting comfort with a 45° tilt design and silicone eartips made of skin-friendly material 3. Exceptionally sensitive microphone, high definition calling, ideal for livestreaming, gaming, and karaoke 4. TPE cord with high resilience that is strong, long-lasting, tangle-free, and convenient to store 5. A nickel-plated 3.5mm plug with broad compatibility and steady transmission 6. Easy-to-use smart two-button in-line control 7. ABS and metal work together to create a sleek yet understated look.