1.全铝合金材质，表面氧化喷砂，文字采用镭雕工艺；坚固耐用，美观轻便。
1.Crafted from full aluminum alloy, this product features a sleek sandblasted surface treated with oxidation and laser-engraved text, ensuring sturdiness, elegance, and lightweight portability.

2.转动框采用滚轮设计，手感适中不易晃动。
2.The rotating frame is designed with a roller mechanism, offering a balanced feel with minimal wobble for enhanced user experience.

3.A面为乐理和弦级数图，直观展示所有调式的对应和弦级数，便于学习并掌握所有调式的各级和弦，学习后能轻松变换各种调式的和弦。
3.Side A features a comprehensive chord-scale degree chart, visually presenting corresponding chord degrees across all modes, facilitating learning and mastery of chords in every key. Post-study, you’ll effortlessly transpose chords between various keys.

4.B面为五线谱常识，所有的12个音在五线谱上的位置一目了然。
4.Side B encompasses essential staff notation knowledge, clearly displaying the positions of all 12 notes on the musical staff.

5.配送一个便携收纳袋和底座。
5.Included is a portable carrying pouch and a dedicated stand.

6.带一个榉木实木底座，底座还可用作拨片收纳器。
6.Accompanied by a genuine beechwood base, which ingeniously doubles as a plectrum organizer.

7.产品尺寸：直径12cm厚度0.2cm
包装尺寸：13.6*12.5*1.6cm
7. Product size: Diameter 12cm, Thickness 0.2cm
Packaging size: 13.6*12.5 * 1.6cm