The SM-KM21 is a compact design that combines a wireless microphone and speaker functions. Included: Instruction manual, earphone jack cable, USB charging cable - Model Name: SM-KM21 - Accessories: Instruction manual, cables - Functions: Wireless microphone, speaker function - Operation buttons: Volume adjustment, mode switching, ON/OFF button - Design: Compact handheld design - The microphone has been disinfected. - Operation has been confirmed. - The microphone cover has not been used, so it is new. - No outer box Thank you for viewing.