Features 1、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 foot switches in this mode are used as the TAP button and the drum foot switch (to achieve a more convenient operation method), so that you can be a flexible drummer. 2、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 foot switch to control all LOOP functions: record, play, stop, overdub, undo, redo, deleted, etc. 3、High Precise Tuner: for note names with sharp flat signs, the system defaults only to use #(sharp) to indicate. 4、Turner: wireless BT page turner, it can select Landscape / Portrait state. 5、Practical and Easy to operate Effect Pedal: built in tuner and BT pager, it can be used for outdoor performances, live broadcasts, practice and other scenes, apply to guitar, bass, microphone, arranger keyboard and other musical instruments. Specification Specifications: Material: Iron Input: Standard 1/4" Jack-MONO/TS Output: Standard 1/4" Jack-MONO/TS LOOP Recording Capacity: 11 minutes Single LOOP Position Recording Capacity: 5 minutes Quantity of LOOP Storage Position: 4 LOOP Sampling Rate: 44.1KHz/24bit Power Supply 1: DC9V≥300mA Power Supply 2: USB 5V≥300mA Working Current: 90mA (DC 9V), 125mA (USB 5V) Input Impedance: 1M ohm Output Impedance: 100 ohm Item Size: 100 * 64 * 28mm / 3.94 * 2.52 * 1.10in Item Weight: 175g / 6.17oz Package Weight: 222g / 7.86oz Package Size: 11 * 8.5 * 3.6cm / 4.33 * 3.35 * 1.42in Package List 1 * Effect Pedal 1 * Type C Cable 1 * Manual (English)