The speakerphone can be connected via a wired (USB) cable when using a computer or via Bluetooth when connecting to a smartphone or tablet, depending on the device. You can use the wired connection if Bluetooth suddenly fails to connect or if the battery is low. The speakerphone itself is equipped with a cable for charging and wired (USB) connection. Simply hold the device and you can charge and connect via wired (USB) connection. After use, you can wrap it around the device for storage, eliminating the need for a cable. Note: The conversion adapter cannot be stored. The speakerphone itself supports Type-C connection. Using the included conversion adapter, it can also be connected to devices with USB A connectors. The four microphones enable 360° sound pickup and a 5m radius, making it ideal for meetings with approximately six people. You can adjust the volume of your voice and the other person's voice appropriately, ensuring a stress-free meeting.