Material : Plastic Dimension Of The Box (LxBxW) : 27.5" x 10" x 4" Age Group : 3 Years and above Battery Powered Features: td {border: 1.0px solid #cccccc;}br {mso-data-placement: same-cell;}54keys, 1 mircophone, USB, adapter The battery operated electronic keyboard features music & sounds along with sound recordings. Suitable for ages above 3, Suitable for toddlers and children. Ideal for Boys & Girls. Brand No Brand SKU 100284176_NP-1020539550 Number of Key 54 Model HS-5421