BlueParrott B250 XT, B350 XT, B450 XT, S450 XT. Battery + 3 pcs of microphone foam + 2 pcs of earphone foam + earphone cushion. 6 pcs of microphone foam + 2 pcs of earphone foam + earphone cushion. B350XT earpiece cushion are for headsets version BPB350020 manufactured before 2019.
