Features:Drum: it contains 30 types of drums, support customizing drum, editing drum and saving drum by APP in real time, etc. It contains common types of rhythm, 4/4, 3/4, 6/8, etc, which can be customized and edited. Support single drum mode. The two footswitches in this mode are used as the TAP button and the drum footswitch(to achieve a more convenient operation method), so that you can be a flexible drummer.Looper: 4 loops can be stored, the total recording time is up to 11 minutes. The recording time of single loop is up to 5 minutes. Each loop support unlimited overdub. Each loop can undo and redo last overdub audio unlimited times. Support using USB cable to export/import audio files with standard WAV format. One footswitch to control all LOOP functions: record, play, stop, overdub, undo, redo, deleted, etc.Tuner: it is a high precision tuner. for note names with sharp/flat signs, the system defaults only to use # (sharp sign) to indicate.Integrates multiple functional modules such as drum, looper, tuner, etc.It is a practical and easy-to-use effect pedal that will bring a richer expression to your performance and practice.Specifications:Material: Zinc alloyPower Input / Output: Standard 1/4" mono interface/TSSampling Rate: 44.1k/24bitLOOP Recording Capacity: 11 minutesSingle LOOP Position Recording Capacity: 5 minutesPower Supply 1: DC9V ≥300mA power adapter (internal negative and external positive)Power Supply 2: USB 5V ≥300mA power adapterWorking Current: 90mA(DC 9V), 125mA(USB 5V)Input Impedance: 1M ohmOutput Impedance: 100 ohmItem Size: 100 * 64 * 18mm / 3.94 * 2.52 * 0.71inItem Weight: 176g / 6.22ozPackage Weight: 225g / 7.93ozPackage Size: 11 * 8.5 * 3.5cm / 4.33 * 3.35 * 1.38inPacking List:1 * Effector1 * Type-C Cable1 * Manual (English)