CUVAVE LOOPER PRO Advanced Guitar Loop Pedal Guitar Parts Effects Pedal 9 Loops Unlimited Overdubs Built-in Tuner Function The loop pedal with 48K/24bit sampling rate, lossless, uncompressed and professional tone quality. The total recording time is 40 minutes, supporting unlimited superposition recording. Supports 9 loops, and the recording time of a single loop is as long as 10 minutes. Built-in high sensitivity tuning function; supports external pedal, more convenient operation. Single footswitch controls record, playback, overdub, undo, redo, stop, delete. Supports Windows/Mac OS computer import/export loops(WAV lossless o).(Windows needs no additional installation of any software or driver) Full metal shell, compact size design; with colorful LED display, beautiful and user-friendly. Specifications: Max. Recording Time: 40 minutes Single Loop Recording Time: max. 10 minutes Number of Loop: 9 Overdub: Unlimited Input: 1/4 inch mono jack Output: 1/4 inch mono jack USB Connection Type: Micro-B USB Power Supply: DC 9V center negative power adapter(not included) Working Current: 100mA Input Impedance: 1M ohm Output Impedance: 100 ohm Colour:Black Material:Plastic + metal + electronic components Size:110x50x20mm Package Contents: 1 * Effect Pedal 1 * Users' Manual(English) Note: Power adapter is not included. Please use the DC 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.