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Unlike the perfect fit cradle, there is no need to remove MP3 player from your protective cases in order to plug into the charging port.
With this 2 in 1 cable adapter you can charge and transfer music Simultaneously.
Length1M/3Feet . Functions: Sync Data, Charge, Connect With AC Adapter and PC
Functions: Sync Data, Charge, Connect With AC Adapter and PC
Compatible With Sony: NW-A800/NW-A805/NW-A806/NW-A808/NW-A808/S/NW-A820/NW-S603/NW-S605/NW-S703F/NW-S705F/NW-S706F/NW-S715F/NWZ-A726/NWZ-A728/NWZ-A729/NWZ-A815/NWZ-A816/NWZ-A818/NWZ-A820/NWZ-A826/NWZ-A828/NWZ-A828K

Product Description

y connecting the USB port of the PC, you can transfer data while charging.
Applicable models:
A series
NW-A35 / NW-A35HN / NW-A36HN / NW-A37HN
NW-A47 / NW-A46HN / NW-A45HN / NW-A45
NW-A57 / NW-A56HN / NW-A55 / NW-A55WI / NW-A55HN
NWZ-A726 / NWZ-A728 / NWZ-A729
NW-A800 / NW-A805 / NW-A806 /NW-A808
NWZ-A810 / NWZ-A815 /NWZ-A816 / NWZ-A818
NW-A820 / NWZ-A826 / NWZ-A828 / NWZ-A829
NW-A840 / NWZ-A844 / NW-A845 / NW-A846 / NW-A847NW-A850 / NW-A855 / NW-A856 / NW-A857
NW-A860 / NW-A865 / NW-A866 / NW-A867
NW-A910 / NW-A916、NW-A918、NW-A919