Heavy thick walled cup “Bothi”. Clear refreshing sound. A sonic masterpiece! Collector’s item.
Easily plays the fundamental and overtone by rubbing the wooden end of the playing stick.
Frequencies: 508-514hz (B4/C5). Monaural beats range Theta. 1420-1424hz (F6+28hz). Monaural beats range Theta. Other frequencies: 2639hz.
Includes complementary singing bowl cushion and striking / rubbing mallet R2.