SPECIFICATIONSApplicable People: BeginnerAudio Output: 2W * 2Bluetooth: SupportBrand Name: RISTIYColor: Black/WhiteDemo Songs: 21Feature 1: Foldable Electronic PianoFeature 2: Portable 88 - Key PianoFeature 3: Electronic Piano For BeginnersFeature 4: MIDI Electronic KeyboardFeature5: Bluetooth Piano KeyboardHigh-concerned chemical: NoneInterface: USB/MIDI,Headphone,Microphone,Audio input/outputIs Batteries Included: YesKeyboard: 88 velocity - sensitive keysMIDI: SupportMaterial: ABSOrigin: Mainland ChinaPower Supply: DC 5V/2A / 1000mAhProduct Name: Folding Portable Electronic PianoProduct Size: 126 * 19.5 * 6.6 cmProduct Weight: 2.76 kgRhythm: 128 rhythmsTone: 128 tonesType: Upright Piano 88 Key Foldable Electronic Piano Portable MIDI Keyboard Music For Practice Beginners With USB Bluetooth 128 Timbres Synthesizer Product Parameters Product Name: Folding Portable Electronic Piano Keyboard: 88 velocity - sensitive keys Tone: 128 tones Rhythm: 128 rhythms Material: ABS Demo Songs: 21 Audio Output: 2W * 2 Color: Black/White Bluetooth: Support MIDI: Support Product Size: 126 * 19.5 * 6.6 cm Product Weight: 2.76 kg Power Supply: DC 5V/2A / 1000mAh Interface: USB/MIDI,Headphone,Microphone,Audio input/output Package Included: 1 Set Product Features Portable And Foldable: Folds into a sleek form for ultimate portability,easy to carry for outdoor practice and home use. 88 Velocity - Sensitive Keys: Provide a realistic piano - playing feel,suitable for beginners to develop proper playing techniques. Rich Sounds And Rhythms: With 128 tones and 128 rhythms,enabling playing of diverse musical styles. MIDI And Bluetooth Connectivity: Supports connection to music production software,virtual instruments,and mobile devices for learning or music editing. Long Battery Life: Built - in 1000mAh battery allows extended play sessions with quick recharge times. Multi - functional: Comes with metronome,auto chord,record,teaching function,etc.,meeting various learning and playing needs. Stable Structure: Can be locked in the middle for enhanced stability during use. Warm Tips When folding or unfolding the piano,handle it gently to avoid damaging the keyboard or folding mechanism. Use the specified DC 5V/2A power supply for charging to ensure battery life and safe operation. Keep the piano away from water and extreme temperatures to protect the electronic components and ABS material. When connecting external devices via MIDI or Bluetooth,follow the instruction manual to ensure proper connection.