Our small key chain harmonica is made of selected material; it&39;s playable and can play simple tones. As a small harmonica, it&39;s easy to use and suitable for self-study or gift giving. And it can also be used as decoration.Made of aluminum alloy casing and environmentally friendly resin comb, with high durability.Key of C, with 4 holes and 8 tones. Blow: 1, 3, 5, i; inhale: 2, 4, 6, 7.This small harmonica is designed to play simple tunes. It&39;s not the same as the standard harmonica.Key chain style, mini and lightweight, easy to carry. And it can also be used as decoration.Suitable for self-study and gift giving for beginners, students, musical instruments lovers and so on.Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.Specifications:Color: Red/ Silver/ Gold/ Black/ Blue (Optional)Material: Aluminum Alloy + ResinItem Size: Approx. 34 * 12mm / 1.34 * 0.47inPackage Size: Approx. 5 * 3 * 3cm / 1.97 * 1.18 * 1.18inPackage Weight: Approx. 20g / 0.71ozPackage List:1 * Harmonica