HiRO V92 56K External USB Data Fax Dial Up Internet Modem Dual Port Built in Buzzer Truly Plug n Play Driverless Installation Built in Driver Windows 10, 8.1, 8, 7, 32-bit 64-bit (H50228) Dual port built in buzzer, compatible with Windows 10, latest Windows OS installation for Windows 10, 8.1, 8, 7, 32-bit, 64-bit Tested on Dell inspiron 3847 Windows 10 home 64-bit -send/receive fax successfully -dial up connection connected to NetZero at 46.6 KBPS USB 2.0 plug and play -fast & easy hardware and driver installation - USB powered, no power adapter needed Dual RJ-11 phone jack for expansion - dual jack for connecting an additional telephone or answering machine Fax compatibility ITU-T- send & receive rates up to 14.4k BPS, mOh - receive phone call during active internet connection Refer user guide below.