Number of keys: 49, Range: C28-C76 (4.0 octaves), Soundboard material: High-grade African Paduk wood, Soundboard dimensions (W x D): 54 x 25-39 x 21 mm, Body: L170 x W78 cm x H72-86 cm, 43kg, Spring height adjustment, Frame: Aluminum-steel composite legs and wood leather Integrated structure, foldable legs, Comes with a wooden mallet and a cloth cover