The SIVGA SV021 Robin Over-Ear Closed-Back Wood Headphones are high-quality wired headphones designed for HiFi audio experience. With a 50mm driver diameter and dynamic vocalism principle, these headphones provide a frequency response range of 20 to 20000 Hz. The sealed earcups ensure a comfortable fit for long listening sessions, while the brown and beige color options add a stylish touch. Made with wood material and featuring a 3.5mm jack connector, these headphones from SIVGA offer a great option for music enthusiasts looking for a durable and reliable audio accessory.