nel-tech labs messager usb digital audio playback device- state-of-the-art digital audio playback device designed to provide a continuous-play audio source for message-on-hold background music or any other audio application where high-quality audio playback is required- messages are stored on industry standard usb flash drives from 16mb up to 4gb- capable of mp3 file playback from 8kbps all the way up to full cd-quality audio playback of 128kbps- audio content is easily managed by plugging the usb flash drive into a pc or mac computer's usb port and "dragging and dropping" mp3 files to and from the drive- your customers can receive new and updated message-on-hold or background music programs via e-mail or ftp and update the units themselves saving you the expense of additional usb flash drives and the related mailing and tracking costs- next generation encryption software called sonocrypt level 3 encrypts the file itself making the mp3 file unplayable anywhere except on the messager usb. this makes the distribution of music and messaging safe secure and ensures against unauthorized playback.- each messager usb is built to exacting quality standards using state-of-the-art assembly equipment for outstanding reliability and years of dependable service- plays mp3 files from usb flash drive- up to 4gb flash drives supported- no drivers or special software needed- playback quality up to 128kbps- store up to 1024 messages- continuous playback- built-in monitor speaker- led status indicator- exceptional manufacturer's dealer support- 5 year manufacturer's parts and labor warranty- made in the usanlmsgusbwdrive