{"catalog_name":"World Products","variant":"c","item":{"handle":"wp-dcd-10001057277","title":"Mini Mechanical Metronome No Required Portable Tempo Counter Clear Scale Rhythm Device for Students, Instrumentalists","category":"乐器","category_name":null,"category_gid":null,"product_type":"乐器","vendor":"World Products","price":"$4.31","currency_code":"USD","availability":"in_stock","inventory_quantity":0,"sku":"dcd-30002810657","barcode":null,"variant_title":"Black","selected_options":{"Color":"Black"},"description":"Mechanical Precision: This mini mechanical metronome utilizes a traditional hand-wound mechanism to provide accurate timing without the need for or external power.Rhythm Mastery: As an essential musical instrument accessory, it helps instrumentalists of all levels develop and maintain a consistent sense of timing across various musical genres.Adjustable Tempo: This versatile rhythm device features a wide tempo range from 40 to 208 beats per minute, easily adjustable by sliding the metal weight up or down the pendulum.Compact Design: Designed as a portable tempo counter, its miniature size allows it to fit easily into instrument cases or bags for practice practices anywhere.User-Friendly: This wind up beat timer features a clear, easy-to-read scale and a simple winding key, making it for beginners and professional instrumentalists alike.","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/3dc8ea95-7c28-4f80-bd9d-161ddc066e4f.jpg?v=1787647996","href":"/product/wp-dcd-10001057277.html","buy_url":"https://uecyem-u1.myshopify.com/products/wp-dcd-10001057277","buy_url_source":"shops.shop_domain + product.handle","seller_name":"uecyem-u1.myshopify.com","seller_url":"https://uecyem-u1.myshopify.com/","return_policy_url":"https://uecyem-u1.myshopify.com/policies/refund-policy","media":[{"url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/3dc8ea95-7c28-4f80-bd9d-161ddc066e4f.jpg?v=1787647996","alt":"Mini Mechanical Metronome No Required 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