Tremolo Tuning, 26 keys, range B-C, 2 treble registers, 48 bass buttons, 4 voices, keyboard length 12.75" * Includes adjustable textile straps. * Gig bag. * Incredible Value * Warranty is for parts and labor to repair any manufacturer defects. it lasts for 90 days after the purchase date * Includes adjustable textile straps, Gig bag.