What can you do with a S Pen for Galaxy S21 Ultra

Galaxy S21 Ultra S-Pen Is There Slot For It? s21 ultra pen slot Soft Silicon Protective Case For Samsung Galaxy S21 Ultra With Built-in-S-pen Slot in wall mailbox slot If s pen is optional How do you charge it if S21 does not have s pen slot? This rumour does not make technical sense to me Reply

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