- Size and portability: 82 x 11.5 mm (3.23 x 0.45 in). Lightweight and compact, easy to carry in a pocket or instrument case for convenient transport and storage. - Material and durability: Natural bamboo grain. Produces a rich sound with good projection and long service life. - Playability and learning: Medium hardness or conventional type. Beginners may not produce a sound without proper breath control; regular practice helps improve tone and airflow. - Protective storage: Transparent plastic storage container prevents dust and protects the item from damage when not in use. - Practical benefits: A practical oboe whistle that supports breath control and tone development, lightweight and durable for everyday practice. - Use scenarios: - Home or classroom practice to build embouchure and breath control. - School lessons or band rehearsals to demonstrate oboe fundamentals without a full instrument. - Travel or on-the-go practice to maintain routine between sessions.