Chip : Hi-Res DAC Smart ChipMaterial : Metal+ABS+TPEFunction : Listening/ Calling/ VolumeLength : 10CMColor : White+RedCompatible with:Oneplus 10 Pro/9 Pro/9/9r/8T/Nord/Nord 2/8T/8 Pro/8/7T/7T Pro/7 Pro/7/6T/Other Oneplus Phones