MP3 Trainer for Bassist

240-song memory capacityVariable Speed Audition changes the speed of the MP3 playback without changing the pitchPitch control in 1% stepsSeamless looping for practicing tricky passagesHigh-impedance 1/4" bass inputBuilt-in multi effects for BassBass Canceller on MP3 Playback1/8" headphone outputBuilt-in rechargeable battery with 9-hour reserveUSB jack