Features:
The function of adjusting the speed: you can define the drum speed with a numerical value, and you can also add or subtract with a numerical value to achieve fine adjustment of the speed.
Drum: it contains 30 types of drums, support customizing drum, editing drum and saving drum by APP in real , etc. It contains common types of rhythm, 4/4, 3/4, 6/8, etc, which can be customized and edited. Support 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 is to 11 minutes. The recording of loop is 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/ audio files with standard WAV format. 
footswitch to control all LOOP functions: record, , stop, overdub, undo, redo, deleted, etc.
Tuner: it is a high tuner. for note names with /flat signs, the system defaults only to use # ( 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:
Speed: Without speed adjustment / With speed adjustment (Optional)
Material: Zinc alloy
Input / Output: Standard 1/4" mono interface/
Sampling Rate: 44.1k/24bit
LOOP Recording Capacity: 11 minutes
LOOP Position Recording Capacity: 5 minutes
1: DC9V ≥300mA (internal negative and external positive)
2: USB 5V ≥300mA
Working Current: 90mA( 9V), 125mA(USB 5V)
Input Impedance: 1M ohm
Output Impedance: 100 ohm
Item Size: 100 * 64 * 18mm / 3.94 * 2.52 * 0.71in
Item Weight: 176g / 6.22oz
Package Weight: 225g / 7.93oz
Package Size: 11 * 8.5 * 3.5cm / 4.33 * 3.35 * 1.38in

Package List: I8690-1
1 * Effector
1 * Type-C Cable
1 * Manual (English)