prime p1 guitar multi effects pedal portable music equipment processor with built-in tuner amplifier and various tones OTG internal recording connecting headphones suitable for home dormitory practice and small performances 【Pocket Effects Pedal】 If you want to practise guitar while travelling or on business trips, this pocket-sized mini smart multi-effects processor is the ideal choice. Weighing only 100g, you don't need to carry effects pedals and cables when you're on the go. The built-in battery lasts for 4.5 hours and can be charged with a mobile power bank 【A variety of tones】Electric guitar, acoustic guitar and bass are available. The multi effects pedal are 7 effect types for electric guitar, with 126 different effects total. Acoustic guitar has 6 effect types, and bass has 10 effect types. Rich tones provide creative inspiration 【Multi-function】 Comes with APP, easy to operate interface. Built-in tuning meter, 10 Metronomes, 40 Drum Machine, and 80-second Looper Capacity. OTG function supports compatible cell phone or tablet connection. Access to video/audio recording software for recording. The guitar effects can also be used live 【Easy to carry & Battery】The multieffects processors comes with a nylon bag and a data cable, cell phone size design, weight 100g, go out and put it directly into your pocket, get rid of complicated equipment and wiring. The built-in battery lasts 4.5 hours and can be charged with a power bank 【Control】 The circular rotary button on top of guitar processor to control the four tones (A/B/C/D) in the preset sound group, with F4 wireless pedal for quick switching during playing. Input/output jacks for amplifier/headphone connection 【Service】We have professional after-sales service, you can contact customer service for any product-related questions before and after purchase, and will answer you within 24 hours