Bàn phím piano mô phỏng 88 phím chuyên dụng cho người mới bắt đầu học

♫ Professional Version 88 Key Keyboard Piano Finger Simulation Practice Guide Teaching Aid Note Chart for Beginner Student Features: Classic 88 keyboard piano finger practice guide. Precision size same as standard piano keyboard. High quality material, which is resistant to water, dust & ink. Best for helping beginners & novice to learn basic principles about piano keys.   Specifications: Material: Paper(Water Resistant) White Key Size: 14.8 * 2.2cm Black Key Size: 9.5 * 1.3cm Item Size: Approx. 120 * 20cm / 47.2 * 7.9in Item Weight: 35g / 1.2oz Package List: 1 * Practice Keyboard