POLY Sync 10 USB-A USB-C Speakerphone. Device type: PC, Product color: Silver, Cable length: 28.1" (0.715 m). Microphone frequency: 100 - 7800 Hz. Connectivity technology: Wired, USB connector type: USB Type-A, USB Type-C. Compliance certificates: CE, Federal Communications Commission (FCC), RoHS. Width: 7.17" (182 mm), Depth: 3.5" (89 mm), Height: 1.3" (33 mm)