Features: DSP: built-in high-fidelity digital audio DSP module, equipped with high-quality circuit to realize the expansion of reverberation chorus, delay and other sound effects, making the sound more flexible, transparent, broad and beautiful. Resonant Function: the flat speaker attached inside the guitar makes the guitar box vibration and sound to realize DSP sound effects, increase the resonance volume of the piano box, and play the guitar box can be used as a small speaker. Charging Interface: type-c charging interface above the pickup panel, the charging mode is convenient, simple and universal. Specifications: Material: ABS Power Supply: 1 * 3.7V 2200mAh rechargeable battery (NOT included) Item Size: 92.5 * 69.3 * 57mm / 3.64 * 2.73 * 2.24in Item Weight: 131g / 4.62oz Package Weight: 290g / 10.23oz Package Size: 21 * 15 * 9cm / 8.27 * 5.91 * 3.54in Package List: 1 * Main Unit 1 * 6.35 Pin Output Line 1 * Resonant Horn 1 * Type-C Charging Cable 1 * Pickup Function Panel 5 * Knob 5 * Sleeve Nut 1 * Manual (English) MANNIWO PG-951, resonant DSP, resonance sound, BT pickup, DIY kit, classical guitar, folk guitar Description: The MANNIWO PG-951 is a DIY kit for classical and folk guitars that offers resonant DSP for a rich resonance sound. It features a BT pickup for easy connectivity.