COSTWAY 88-Key Electric Piano Keyboard, Foldable, Portable Digital Keyboard (128 rhythms, 128 tones, and 20 demos) Digital Piano Set for Kids and Adults (Black)

["Multifunctional Piano Keyboard】Our electric keyboard with 2 stereo speakers can display a sound of 128 tones, 128 rhythms, 20 demos, and 88 keyboard percussions. It is also equipped with functions such as sustain, vibrato, transposition, metronome & automatic accompaniment, and recording & playback.", "【Split Function and 2 Learning Modes】Our digital keyboard has a split function for duet play. After turning on the "Split" function, the left 44 keys change from A1-B4 to A2-B5, while the right keys change from C5-C9 to C3-C7. And there are 2 learning modes for learning. You can press the metronome button for a long time to turn the keyboard backlight on or off, making the teaching process more interesting.", "【Foldable and Portable Design】Unlike ordinary keyboards, our keyboard can be folded in half to save space. A safety button and safety clip are designed to provide double assurance. And it comes with a bag for easy carrying and storage, so you can enjoy music anywhere and store it in any corner.", "【Half-weighted Full-size Keys with Wood Grain】88 full-size keys give you a real piano touch for improved playtime. The enhanced wood grain design maximizes playing comfort. In addition, thanks to the half-weighted keys, you can freely adjust the sound effect softer or louder by changing your key strike intensity.", "【Easy Charging and Dual Wireless Connection】Our electric keyboard with a built-in 1750mAh battery can be charged with a 5V 1A power adapter. Furthermore, the keyboard can be connected to MP3, microphone, headphones, and speakers with 5 external connections (including USB/MIDI interface). The wireless audio connection makes the keyboard an audio device, while the wireless app connection provides step-by-step guidance."]