Features: Brand new and high quality. Allows to connect RS232 device to your computer by USB port. Real USB 2.0 specification compliant for faster and steadier data communication. RS-232 DB9 standard specification compliant. Supports automatic handshake mode. Supports remote wake up and power management. Standard USB type A male and RS232 serial 9 pin male connector. USB bus-powered and no need external power required. Ideal connections to Modem， PDA， GPS， Bar Code， Digitizer， Digital Camera， Label printer & ISDN terminal adapter， etc. Support remote wake-up and power mangement Windows 98SE/ME/2000/XP/2003/Win7/Win8/Win10/Vista，Linux and Compliant Cable length: 70cm.Package Included: 1 x USB 2.0 to RS232 Adapter Cable NO Retail Box.NO Retail Box. Packed Safely in Bubble Bag.