Type: Intercom - B+COM Sign House B+COM SB6X Arm microphone only Enjoy comfortable calls while listening to music. Connects instantly and allows for fun conversations with up to 6 people. Please note that this listing only includes the items shown in the photos. Power-on confirmed. Operation confirmed. Firmware is the latest version. There are scratches, but otherwise it's clean and looks good. The manual is a copy. Operation has been confirmed, but as this is a used precision instrument, we cannot be held responsible for any issues after shipping. Thank you for your understanding. Inspected and maintained before listing, including operational checks and charging checks. Please refrain from purchasing if you have any concerns. Compared to the SB6X, the SB6XR mainly has a longer battery life and a thinner body, with little other difference. The SB6XR often has switch malfunctions. Type: Intercom - B+COM