Product Name: Tokyo Bell Seisakusho "Mori no Suzu (BEAR BELL) TB-K1" Features: One-touch function that allows you to switch between sound and mute with a single pull. Material: Brass bell, characterized by a high-pitched, clear, and long-lasting tone. Accessories: Comes with a carabiner for easy attachment to a backpack or belt. It's very easy to use, with a simple pull to switch between mute and sound. The tone is loud and clear. Thank you for viewing.