1、48K / 24bit sampling rate, lossless uncompressed professional sound quality. 2、The total recording time is 40 minutes and supports unlimited overlay recording. 3、9 cycles, one cycle recording up to 10 minutes, built-in high sensitivity tuning function. 4、Supports external pedals, which makes operation/switching more convenient. 5、All metal shell, small size but heavy weight; color LED display, humanized. 6、Single foot switch control: record, playback, dubbing, undo, redo, stop, delete, with less audio loss, no additional software or driver for Windows. 1 x Effect Pedal1 x Data Line1 x User Manual  Item Type: KOKKO Effect PedalModel: LoopertuneTotal Recording Time: 40 minutesSingle Loop Recording Time: 10 minutesOverlay Recording Times: UnlimitedTotal Number of Loops: 9USB Connection Type: Micro-BUSBPower Input: 9V DC (inside-outside +)Working Current: 100mA (DC9V)Input Impedance: 1MΩOutput Impedance: 100ΩInput Connection Type: Standard 1/4in interface mono/TSOutput Connection Type: Standard 1/4in interface mono/TS