Fender Mustang Micro Headphone AmplifierAbout this itemAll-in-one personal headphone amplifier with onboard DSP12 amp models from Mustang GTX for a wide range of clean and dirty tones13 effect models with parameter modify controlBluetooth audio streaming with audio/video sync for playing along in real timeRechargeable lithium ion battery (charged via USB)POWERFUL ON-BOARD DSPMustang Micro’s self-contained signal processing allows the freedom to play without being tethered to an external device to operate.