Magnetized Stirring Cup – Effortless Mixing at Your Fingertips This magnetized stirring cup makes mixing drinks and powders easy and convenient. With a capacity of 301-400ml, it’s ideal for shakes, coffee, and more. Powered by USB charging or batteries (not included), it offers smooth, automatic stirring for hassle-free preparation. Specifications: Capacity: 301-400ml Material: ABS 304 Stainless Steel Color Options: White, Brown Power Supply: USB Charging or Battery (not included) Package Includes: 1 x Automatic Mixing Cup 1 x Instruction Manual