Features: 1. Plug&play, CDC alternative 2. Connected with wire harness, not FM signal controlled ,Hi-Fi guaranteed 3. Controlled by vehicle Head Unit, support Steering wheel operation 4. With imported Hi-Fi Decoding Chip, perfectly support MP3 and WMA tracks 5. Supports SD/SDHC/MMC card/U Disk/Card Reader/Hard Disk 6. Supports external audio source(MP3 MP4 PSP Mobile Phone) via AUX in port 7. Playlist function same as multi CDs 8. Supports Last Position Memory (LPM) 9. Vibration and interference proof 10. Easy to install, no damage to original car decorations for different car models or car radios Compatible with: 1995-2005 Volvo C70 2001-2004 Volvo S40 1999-2009 Volvo S60 1999-2005 Volvo S80 2001-2004 Volvo V40 1999-2007 Volvo V70 1999-2007 Volvo XC70 Note: 1.Compatible with follow headunits with 8pin CD changer port: HU403, HU555 , HU601, HU603, HU605, HU611, HU613,HU803, HU650RDS(with Selector knob), HU850RDS(with Selector knob), 2.Not compatible with Volvo RTI Navigation. 3.Not compatible with following head units:HU650 without Selector knob, HU850 without Selector knob 4.Tested radios : HU-601,HU603 Homepage: