The Roland Go:Piano 61 Key Digital Piano has an advanced speaker system for the musician on the go. The Go:Piano's Bluetooth connectivity allows you to use it as a multimedia speaker system from your phone. The 61 full size keys feature ivory touch surfaces for a comfortable feel that's easy to play. The Go:Piano's on board piano sounds feature high quality samples for a developed tone. This model's battery compatibility and lightweight design make it easily portable and usable on the road. The Go:Piano is ideal for student musicians wanting to take their music anywhere.