· USB 2.0 A to RS-232 adapter with 0.6m extension cable · Connector: USB 2.0 A plug - RS232 (DB9) plug · Supported Operating Sytems: Windows 8, Windows10, NOT Windows7, from MAC OS 8.6 · With drivers on CD · It supports auto-wake-up and power management · The adapter is used to control devices with RS-232 interface