[Coffee Dosing Cup Compatibility]Specifically designed for 58mm portafilters, this compact and exquisite dosing cup is compatible with popular machines like E61, Flair 58, , and more, facilitating easy and tidy coffee ground transfers. [Accurate & Responsive]Our espresso scale boasts a of 0.1 grams, ranging from 0.3 to 500 grams. Equipped with high- sensors and a reliable microprocessor, it ensures ultra-fast responses and accurate measurements for both solid and liquid substances. [Premium Quality Construction]Constructed with high-quality stainless steel and an ABS cover, our dosing cup offers durability and resistance. It's non-, food-safe, rust-proof, and enhances your espresso experience with its sleek, modern design. [USB Type-C Charging]Featuring a built-in long-lasting rechargeable lithium battery, our coffee scale promotes environmental sustainability and safety, providing prolonged usage and convenience without frequent replacements. [Efficient Workflow & Reduced Waste]This versatile espresso measuring cup not only ensures precise coffee ground weighing but also simplifies the transfer between grinder and portafilter, minimizing spillages and waste, thus optimizing your coffee preparation process.