Model: KSC-906 Interface:RJ45 Material :aluminum alloy +ABS Network standard:10/100Mbps Size:57*24*16.5mm Weight:23g Line length:130mm for Windows98/ME /2000/XP Vista/7/8/10/11 (32bit/64bit), for LINUX for Mac OS Sierra or above. USB-C interface phones that support OTG functionality can be used.