Description: 【Piano Keychain】: The mini handheld piano is real working, playable,which is more fun.  【Portable & Convenient】:Mini Size Finger piano keychain is small and lightweight,  is easy to carry around and play on the go. 【Interactive Fun】:You can play piano alone or with friends and family for hours of fun and bonding time. 【Durable Design】: Tiny electronic keyboard keyring made with high quality abs materials, built to last with a sturdy and durable design. 【Easy to Play】:Music keychain is easy to play. When the indicator light is on, the training mode is on, press the corresponding button according to the position of the indicator light, and a melody will up,a total of 19 training songs. Size Chart: 6.2cmx2.5cmx4.8cm/2.44inchx0.98inchx1.89inch  Package Includes: 1 Piano Keychain Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.