DKU-2 cable is fully compatible with Nokia's free application software "Nokia PC Suite" (included on CD-ROM with your phone or downloadable from Nokia's website). DKU-2 compatible data cable is suitable for Nokia 3300, 6170, 6230, 6260, 6630, 6650, 6670, 7270, 7600, 7700, 7710, 9300, 9500. This allows for both MBUS/FBUS operation to allow the following operations:
DKU-2 cable uses Pop Port connection (plug in through bottom of phone, where the hands free connects)
DKU-2 cable uses a high speed USB connector
Download pictures from your phone to PC
Upload polyphonic ring tones, Logos, Games, Wallpapers, Phonebook Backup / restore
Flashing SMS, send Logos via SMS to other users, Picture messages & more

DKU-2 compatible data cable is an aftermarket product. Not a genuine Nokia DKU-2.
Compatible with Win 98 SE, ME, 2000 and XP