What material is the outer casing of the Headphone (1) Pro made of? September 29, 2026 06:26 Updated The support arms are made of titanium alloy. The outer casing is made of aluminum alloy with a tempered glass rear cover. Related articles Is the glass on the outer casing of the Headphone (1) Pro drop-resistant and scratch-resistant? What material are the ear cushions of the Headphone (1) Pro made of? Does the Headphone (1) Pro support Spatial Audio? Is Headphone (1) Pro resistant to water / dust?