Multi-Effects Bass Pedal, Cube Baby Bass With Ir Loading, Multi-Effects guitareffect ?Multifunctional? there are 3 editable presets,user can customize effector chain and save it.small size with big capacity,simple and intultive operation ?Power Supply? this guitar pedal built in battery,which is conernient for outdoors performance.charging for 2 hours which can last for 6 hours ?Wireless Accompaniment? you can press and hold the "A+B" footswitch at the same time for 2 seconds to turn on/off wireless connection ?9 AMP Modes 8 IR CAB? Multi-functional Guitar Effects Pedal with overdrive, distortion, CHORUS/PHASER, delay and reverb effects, including 9 Amp preamps and 8 classic IR cabinets body model, Support IR Loading or Deleting. ?3.5mm Headphone Output? The multi effects equiped with a 3.5mm Headphone Jack Output for more clear listening and monitoring, convenient for daily practice without disturbing family members and neighbors.