B-Stock, Fender Mustang Micro Plus; Headphone Amp for electric guitar; 100 user-configurable presets, controlled through the Fender Tone mobile app; 25 amp models for a wide range of clean and high gain tones; 25 effect models with parameter control through redesigned “Modify” buttons; “Tap Tempo” control; Integrated display; Onboard tuner; Adjustable Global EQ; Bluetooth audio streaming with audio/ video sync for playing along in real time; Up to six hours of continuous play time; Free 6 months of Studio One included in box, B-Stock with full warranty, may have slight traces of use