The headphones with black metallic wire and a 3.5 mm microphone jack offer a practical and eco-friendly solution for audio applications. Made from recycled plastic and aluminum, they combine sustainability with functionality. The in-ear design ensures a comfortable fit and allows for direct sound transmission, while the lightweight of only 12 grams ensures effortless use over extended periods. With compact dimensions of 2.2 cm in height, 2.6 cm in depth, and 1.2 cm in width, these headphones are an ideal companion for on-the-go. The wired signal transmission guarantees a stable connection, while the lack of noise cancellation allows for conscious awareness of the surroundings. These headphones are an excellent choice for anyone who values quality and environmental consciousness.