Woodi USA 37-Key Piano-Style Premium Melodica with EVA Carrying Case WM-37SRE (Black/Red) Melodica featuring 37 piano keys with a tonal range of F below middle C through F. Includes a high quality EVA case, sleeves to hold the mouthpiece and the extension hose in place. Can be played hand-held using the attached strap and mouthpiece, or you can play it as a piano on any flat surface just add the extension hose. Durable brass reeds that will maintain your Melodica in perfect pitch for long time. Includes: Mouthpiece, Extension Hose, Cleaning Cloth and EVA Pink Molded Zipper Case.