VAG 704 USB connector plugs into most modern laptops! (USB 1.1 or 2.0) 1. Compatible with the latest cars which requires a direct CAN connection for diagnostics including all Golf-5 platform cars and latest Audi A3, A6 and A8. 2. Protocol timing indistinguishable from a real VAG/VAS tool. Works reliably even with "difficult" control modules such as the 1991-1994 1Z Audi TDIS and the 1993-1994 Audi 2.6L with Hella ECU. 3. Built-In VAG-Saver functionality -- instantly alerts the user if either the K/K1 line or the L/K2 line is shorted to Ground or Battery. 4. Full support for dual-K lines found in "new" (B6/8E chassis Audi A4 and 2002+ Audi A6 -- no vas-6017 required -- no manual switches! 5. Fully backwards compatible with older cars using a single K-line or K plus L 6. VAG-COM work with cars that require direct CAN access for diagnostics. 7. CAN-BUS Interfaces also work with older vehicles that use the k-line.