True Bypass, export wav lossless audioZinc Alloy shell and compact size, durable and portable2 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 LoopsColorful 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 AlloyPower Supply: DC 9V AC adapter (center minus plug)(not included)Input: 1/4''mono audio jackOutput: 1/4''mono audio jackItem Size: 90 X 40 X 49.5mm /3.54 * 1.57 * 1.95inItem Weight: 199gPackage Size: 200 X 70 X 79mm/7.87 * 2.76 * 3.11inPackage Weight: 300gPackage List:1 * Effect Pedal1 * Packing Box1 * User Manual1 * USB Cable