Wersi 88-Key Foldable Portable Electronic Piano Keyboard For Beginners Practice Piano, CN Plug 1. Made of high quality PC material, durable 2. Bluetooth, mobile adjustment function can customize the sound of the music keyboard 3. External interfaces include MP3, earphoneaudio, foot pedal, audio input, microphone, USB power interfaceMIDI OUT 4. Designed with 128 tones, 128 rhythms, 15 performance songs, teaching functions, programming, etc. 5. The handbag has a carrying handle and the backpack can be carried 6. 88 full-size keys simulate the feel of a real piano 7. Record and playback to improve performance 8. The multi-function control panel adopts ultra-thin design, which is more delicate and compact 9. Foot pedals meet the needs of professional performance 10. Foot pads prevent the table from being scratched 11. Charging time is 1 hour, using time is 12 hours 12. White key: Length: 138 mm Width: 22 mm Height: 17.8 mm Key travel height: 12 mm 13. Black key: length: 85 mm width: 11.5 mm height: 10.5 mm key stroke height: 8 mm 14. Product weight: 4 kg 15. Product size: 126.7x20.9x4 cm 16. Delivery list: certificate, piano, special piano bag, data cable, pedal, charging head, playing software, manual