Features 1、Chord Accompaniment: This stringless guitar combines powerful chord synthesizer, interactive sheet music, automatic drum machines, and supports nearly a hundred accompaniment styles, allowing you to play a rich and stereoscopic vocal effect like a band. 2、Score Performance: Supports APP interactive music score, with song score library, allowing for quick playing and singing without the need for playing experience. Compatible with chord sheet music, no need to connect to an app, find chord sheet music and progression sheet music marked with symbols to quickly play. 3、Rhythm Switching: This smart electric guitar supports nearly a hundred rhythm types without changing finger techniques. With just a tap on the APP, you can achieve rhythm changes in various styles such as chord decomposition, sweeping, muffled, columnar chord, striking, and hitting. 4、Sound Restoration: Multiple audible units with different characteristics are applied to produce sound together, and accurate tuning is carried out according to the unique frequency characteristics of the instrument, achieving the best performance sound quality with the smallest volume. 5、Battery and Interface: Equipped with 2 built in 2000mAh high capacity battery, it can last for 6 hours with the built in speaker and up to 12 hours with the external speaker. With 3.5mm audible jack for external audible equipment, even large scale performances can bring amazing effects. Specification Item Type: Stringless Guitar Material: ABS, PC, Aluminum Alloy Battery: 2 x 3.7V 2000mAh Lithium Polymer Battery (Built in) Package List 1 x Electric Guitar 1 x User Manual 1 x Type C Data Cable 1 x Storage Bag 1 x Strap