B+COM 6X with Bluetooth, comes with a full set of accessories. ● Brand: SYGN HOUSE (Sign House) (4541408006097) ● Part Number: SB6X Single (00080215) ● Color: Black ● Chip: CSR Dual Chip ● Battery: Li-Po 3.7V 800mA ● 1 boom microphone & 1 wired microphone each (can be installed on full-face and JET helmets) ● Terminals: USB Type-C (charging, speaker), microUSB (microphone input) ● Maximum number of simultaneous calls: 6 units can communicate simultaneously Thank you for viewing. I used it for long touring, but I'm selling it because I no longer use it after I stopped riding my motorcycle.