True Bypass, export wav lossless audio Zinc Alloy shell and compact size, durable and portable 2 Control Knobs: Level, control the loop playback volume, and Tuner, for switching loops. With 9 Loop effect, 1.wav (loop1) ~ 9. wav (loop9), the longest single track is 10 minutes, and the total time is 40 minutes. Fit for Windows System, Mac OS computer import, Export Loops Colorful LED display, show the recording or playback progress bar, loop number, and tuning status. With Footswitch, control looper functions, like record, playback, overdub, undo, redo, stop, and delete. Operating Instructions: * Recording: Tap footswitch once * Playback: Tap footswitch once * Overdub: Tap footswitch once again * Overdub Recording Playback: Tap footswitch once again * Undo/Redo: Press and hold footswitch (when recording) * Stop: Double tap footswitch * Delete: Press and hold footswitch (when stop) Specifications: Material: Zinc Alloy Power Supply: DC 9V AC adapter (center minus plug)(not included) Input: 1/4''mono audio jack Output: 1/4''mono audio jack Item Size: 90 X 40 X 49.5mm /3.54 * 1.57 * 1.95in Item Weight: 199g Package Size: 200 X 70 X 79mm/7.87 * 2.76 * 3.11in Package Weight: 300g Package List: 1 * Effect Pedal 1 * Packing Box 1 * User Manual 1 * USB Cable