This replacement Olympus KP21 USB Cable is an OEM Product. This cable has been manufactured specificaly for use with Olympus Dictation Products and offers high quality and compatability as a cheaper alternative to the original manufacturers product. The Olympus KP21 USB cable is used to connect Olympus digital recorders to a PC or docking station to PC, to download audio files. The Olympus KP-21 Cable can be used with the Olympus DS-2400, DS-2500, DS-2800, DS-3400, DS-5000 & the DS-5500 This USB Cable is also designed for use with the latest DS-7000 & DS-3500 Digital Voice Recorders as well as Olympus CR-10 & CR-15 Docking Stations.