MICRO BR – The Worlds Smallest Pro Studio! Meet the ultimate palmtop recording studio. Only slightly larger than an iPod, the tiny yet powerful Micro BR is dream for musicians on the go. The Micro BR offers four simultaneous playback tracks (plus 32 V-Tracks), an SD Card slot, onboard multi-effects, built-in rhythm patterns, a tuner, MP3 compatibility, USB, and more. No guitar case or gig bag should be without one.