【Euphonium Features】 This euphonium is a vibrant orange color, making it visually appealing. It is in B♭ key and provides a rich tone. 【Technical Specifications】 The bore is 14.5-16.8mm, and the bell diameter is 310mm, resulting in good resonance. It weighs 2.0kg, making it convenient to carry. 【Accessories】 An original resin mouthpiece and a soft case bag are included, allowing you to start playing immediately. - Color: Orange - Key: B♭ - Bore: 14.5-16.8mm - Bell Diameter: 310mm - Weight: 2.0kg (excluding mouthpiece) - Valve System: 4-piston - Accessories: Original resin mouthpiece, soft case bag included Thank you for viewing.