A headphone headband cover configured for detachable attachment to a headband of a headphone, wherein the headband is configured to extend along a portion of a head of a wearer of the headphone, the headband cover comprising: a first headband cover unit; a second headband cover unit, which is arranged along a first longitudinal side (241 a) of the first headband cover unit; and a third headband cover unit, which is arranged along a second longitudinal side of the first headband cover unit, the second longitudinal side being an opposite side to the first longitudinal side (241 a); wherein the second headband cover unit is foldable along the first longitudinal side (241 a) of the first headband cover unit and the third headband cover unit is foldable along the second longitudinal side of the first headband cover unit such that the second and third headband units (242; 243) can be folded around the headband of the headphone to detachably attach the headband cover to the headband of the headphone, characterized in that the first headband cover unit has a waist portion whose width (W waist), along a direction perpendicular to the first and second longitudinal sides (241a; 241b), is wider than corresponding widths (W outerportion1; W outerportion2) at respective outer portions (241d; 241e) of the first headband cover unit, the outer portions (241d; 241e) of the first headband cover unit being positioned at either side of the waist portion, and in that all of the first, second and third headband cover units (241; 242; 243) have flexibility, wherein each one of the first, second and third headband cover units (241; 242; 243) comprises: a padding element (810; 811, 812); a bendable plastic element (820; 821; 822) abutting against the padding element (810; 811, 812); and clothing (830, 831, 832) covering the padding element (810; 811, 812) and the bendable plastic element (820; 821, 822). a first headband cover unit; a second headband cover unit, which is arranged along a first longitudinal side (241 a) of the first headband cover unit; and a third headband cover unit, which is arranged along a second longitudinal side of the first headband cover unit, the second longitudinal side being an opposite side to the first longitudinal side (241 a); wherein the second headband cover unit is foldable along the first longitudinal side (241 a) of the first headband cover unit and the third headband cover unit is foldable along the second longitudinal side of the first headband cover unit such that the second and third headband units (242; 243) can be folded around the headband of the headphone to detachably attach the headband cover to the headband of the headphone, characterized in that the first headband cover unit has a waist portion whose width (W waist), along a direction perpendicular to the first and second longitudinal sides (241a; 241b), is wider than corresponding widths (W outerportion1; W outerportion2) at respective outer portions (241d; 241e) of the first headband cover unit, the outer portions (241d; 241e) of the first headband cover unit being positioned at either side of the waist portion, and in that all of the first, second and third headband cover units (241; 242; 243) have flexibility, wherein each one of the first, second and third headband cover units (241; 242; 243) comprises: a padding element (810; 811, 812); a bendable plastic element (820; 821; 822) abutting against the padding element (810; 811, 812); and clothing (830, 831, 832) covering the padding element (810; 811, 812) and the bendable plastic element (820; 821, 822).