Electronic Digital Piano Keyboard 61 Keys

61 keys, 16 tones, 10 rhythms, 6 demos, 8 percussions direct dc power mode option: connect your mobile charger to play on dc power. power saving mode: it can be easily powered by connecting android mobile phone charger or by usb cable connected with any computer or even power bank. (usb included) other functions: song record and play function, single finger chord, and fingered chord. microphone included. note added: please note, that there is only 1 speaker in the product, right hand speaker is just a show window. note: if keys are locked / jammed please pull each key out slowly in order to use it. keys are locked for safe transportation.