1. Made of high quality PC material, durable2. Bluetooth, mobile adjustment function can customize the sound of the music keyboard3. External interfaces include MP3, earphone/audio, foot pedal, audio input, microphone, USB power interface/MIDI OUT4. 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 carried6. 88 full-size keys simulate the feel of a real piano7. Record and playback to improve performance8. The multi-function control panel adopts ultra-thin design, which is more delicate and compact9. Foot pedals meet the needs of professional performance10. Foot pads prevent the table from being scratched11. Charging time is 1 hour, using time is 12 hours12. White key: Length: 138 mm Width: 22 mm Height: 17.8 mm Key travel height: 12 mm13. Black key: length: 85 mm width: 11.5 mm height: 10.5 mm key stroke height: 8 mm14. Product weight: 4 kg15. Product size: 126.7x20.9x4 cm16. Delivery list: certificate, piano, special piano bag, data cable, pedal, charging head, playing software, manualSpecification: General Certificate MSDS Package Weight One Package Weight 5.56kgs / 12.26lb One Package Size 71cm * 28cm * 19cm / 27.95inch * 11.02inch * 7.48inch Qty per Carton 1 Carton Weight 5.70kgs / 12.57lb Carton Size 30cm * 30cm * 31.7cm / 11.81inch * 11.81inch * 12.48inch Loading Container 20GP: 934 cartons * 1 pcs = 934 pcs40HQ: 2169 cartons * 1 pcs = 2169 pcs