Line 6 BACK-TRACK-MICInspiration is spontaneous, and BackTrack + Mic is your guitar's instant replay button. Easy to use, this BackTrack and Mic captures everything you play without ever hitting record.Always on, the BackTrack and Mic begins recording as soon as it detects a signal through the sensitive mic or the quiet 1/4-inch input. Use the 1/4-inch output or headphone output for immediate playback. Just set it and forget it for total inspiration control.Pressing the Mark button designates what you just played as special and separates it for easy review. The Forward and Reverse buttons provide instant recall of marked and non-marked ideas.BackTrack + Mic can capture up to 24 hours of audio. Saved as .WAV files to a rugged 2-GB flash memory, the audio is easily transferred via USB 2.0 to your computer or recording software for further recording, editing or mixing. The USB connection also recharges the internal battery to its full capacity of over 8 hours.Sleek and low-profile, BackTrack + Mic fits in your gig bag as easily as it fits into your setup. At rehearsal, at the gig or at home, BackTrack + Mic is fully dedicated to capturing everything you play.