DP-06 electric keyboard piano built-in ultra-large-capacity lithium battery with up to 10 hours of battery life and DP-06 piano keyboard has more compact and lightweight design, you can take it gu to anyw you want(travel, party, school, stage). The DP-06 piano keyboard is a great travel piano keyboard for you! 61 Semi-weighted Keys with Tasteful Texture? The DP-06 folding piano keyboard has 61 semi-weighted keys that give beginners a good feel for real pianos. Spring keys have a specific rebound speed, and you can enjoy the sound of notes by running your fingertips over them.Moreover the exquisite craftsmanship incorporates an outstanding design and tasteful texture. The keys are not easy to turn yellow even used for a long time, and have greater stability. More Compact and Superior Performance? The DP-06 portable piano keyboard has 128 tones, 21 demo songs, and 128 rhythm styles to choose from, just inspire you to explore more possibilities. The audio Bluetooth function enables the musical keyboard to be used as a player, with the ability to play and sing. Bluetooth MIDI can send and receive MIDI signals for connected software, as well as connect smart apps to perform follow-up and other functions.