... rate:less than3% 4.One year's warrenty External laptop lightscribe dvd blu ray BC-5501S Item describtion:1.blu ... only by the USB port, no external power required.6.Read & Write all CD and DVD (Read Blu-ray only).7. ... DVD-R, DVD-ROM, DVD-R, DVD-R DL, DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-R, CD-RW, BD-ROM, BD-AV (read), DVD-ROM, DVD-Video, CD-DA, CD-ROM (XA), CD Extra, Video CD, Photo CD, CD Tex ...