summina PockRock Portable Guitar Multi-effects Processor Effect Pedal 15 Effect Types 40 Drum Rhythms Tuning Function with Power Adapter PockRock is a portable guitar multi-effects pedal. 5 effect modules with 15 effect types, 40 drum rhythms, 16 preset patches and 16 user patches. It is not only a sound library, but also allows you to create your own sound library.  With headphone out and AUX in, you can enjoy your playing at night and no need to worry about disturbing others.  Battery-powered mode allows you to take it to everywhere. Everything you need is in PockRock! Features: Portable and lightweight guitar multi-effects pedal with LCD display. 5 effect modules including 15 effect types, providing you with a sound library. 40 meticulous designed drum rhythms, and equipped with tuning function. Total 32 patches: 16 preset patches and 16 user patches for you to create your own sound library. GAIN and TONE control knobs for adjust the gain of distortion and brightness of the sound. With 1/8" Aux in & headphone stereo jacks, and 1/4" input & output mono jacks. Dual power supply: DC 9V adapter(included) or 2 * AAA batteries (not included). With a metal buckle on the backside to be hung at the waist for convenient usage. Specifications: Plug: EU / US / UK (Optional) Material: Plastic 5 Effect Modules: DRIVE, MOD(modulation); DLY(delay)/ REV(reverb); DRUM 15 Effect Types: Clean, Overdrive, Distortion, Crunch, Fuzz, Metal; Chorus, Flanger, Phaser, Tremolo; Delay, Echo, Room, Hall; Drum Rhythm Guitar Input: 1/4" mono jack Output: 1/4" mono jack Headphone: 1/8" stereo jack Aux In: 1/8" stereo jack Power Supply: DC 9V adapter(included) or 2 * AAA batteries(not included) Item Size: 13 * 8.5 * 3cm / 5.1 * 3.3 * 1.2in Item Weight: 130g / 4.6oz Package Size: 13.5 * 10.5 * 8.5cm / 5.3 * 4.1 * 3.3in Package Weight: 270g / 9.5oz Note: Guitar and cable showed in the pictures are not included. Batteries are not included. Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * Power Adapter 1 * User Manual(English)