VoIP dongle Just plug and talk free as like tranditional phone. Available to call mobile phone or home phone for credit added for much cheaper fees. 1. 3 in 1 mobile USB dongle: VoIP phone/Flash memory/Digital sound system. 2. 3D Sound with Virtual 7.1ch sound shifter. 3. Support Chat software with hot plug and talk. 4. Quick start and auto-run from platform system. 5. Enjoy free call and ready to travel anytime. 6. Packing set with stored credit USD3.00/card (can be upgrade credit through internet). 7. Highly integrate USB audio VoIP unit with 3 functions. 8. 3 in 1 mobile USB dongle through software. 9. Store pre-software, prevent mis-delete, prevent virus attacking. 10. Support upgrade online, easy upgrade software stored in USB. 11. Logon the platform system, do authentication directly through USB drive. 12. Auto run from platform system and does not require to installation again. 13. Limited support Skype, MSN, QQ, etc. 14. Compliant with USB 1.1, 2.0 full speed operation. 15. Built-in capacity of memory: 16MB for VoIP. Can be upgrade to 128MB~512MB. 16. Data transfer rate tops at 25MB/sec. read and 17MB/sec. write speed.