The 88 keys electronic piano keyboard is equipped with full size keys, the keys are the same size as the grand piano, 1:1 restoration for better playing experience. Long Battery Life Built-in 3.7V/2200mAh lithium battery power supply can be used for up to 10 hours. Enjoy carnival, without worrying about power problems. Multiple Jacks Supports MP3, headphones, sustain pedal, microphone, MIDI, and other device connection, allowing you to expand your musical playability even more! Previous page Headphone Mode Wearing headphones will not affect others, and create your own songs in a more precise way. Expand More Music Full Size Key Standard grand piano full size key to help beginners get better piano practice. Ready to Use Portable body size with a matching piano bag, allowing you to carry it to any gig. Next page 1 Headphone Mode 2 Expand More Music 3 Full Size Key 4 Ready to Use Double keyboard split function, better music interactive with friends Surprise your loved ones with an 88-key portable electronic piano for a joyful Christmas!