2 Bulit-in Speakers:There are 2 built-in speakers for a surround music experience. You can adjust the volume as needed. You can also use wired headphones to connect to the audio interface. Enjoy your own music world without disturbing others! 61 Full Size Keys with Note Stickers:The keyboard piano features full sized keys to imitate the true piano experience. Keynote stickers are also included to help build muscle memory and provide a visual reference as you try to find the right note. Recording Function:You can turn on the record button before playing and click play when you re done. This is a good way to play back the music and find out what you re missing. It‘s usful for beginners. 2 Charging Stations:There are 2 charging stations for this 61 keyboard: adapter(included) and battery (not included). It s portable to use. Removable Musical Stand:You can place a tablet PC or musical score on the stand when you are playing and remove it when you don t need it. Microphone:Equipped with a microphone not only can play the piano but also sing bringing more music fun! Specifications Keys: 61 Rhythm: 200 Tones: 200 Demonstration Song: 70 songs Displays Screen: LCD Screen Output Port:Type-C OUT Audio Interface Micro phone SUS USB MIDI Interface Produce Size: 36 x 14 x 12.5 inches Item Weight: 19.31 pounds Color:Black Proficiency Level:Beginner Power Source:Corded Electric&Battery Powered Package Include Sheet Music Stand*1 Keybords*1 Keybords stand*1 Bench*1 Microphone*1 Adaptor*1 Keyboard Sticker*1