The ICR-B160, ICR B170 and ICR B175 are SANYO's first digital product with a built-in stereo microphones, offering MP3 recording and MP3 or WMA audio playback. The ICR B160 has a 32Mb Built-in memory allowing up to 4 hours mono and 2 hours stereo recording. The ICR-B170 (64Mb) can record for up to 8.5 hours mono and up to four hours stereo. The ICR B175 (128Mb) can record up to 17 hours mono and up to 7 hours stereo. The voice activated recording system is backed up by a USB download capability and sockets are included for additional external microphones and headphones. Download is simple with the USB cable provided - also use as a portable stortage device, upload data from your computer to take with you (PowerPoint Presentations, Digital Photos etc). The stylish LCD display is complemented by the front and side control buttons and with a depth of only 17mm, these ultra compact recorders have a wealth of features contained within its smooth lines, making it an extremely attractive addition to the digital recording market in more ways than one.