The Auto-Stir is a smart and innovative product for easily preparing beverages on the go. With a 400ml capacity, it features a 300mAh battery that powers the self-stirring function, mixing drinks for 120 seconds before automatically shutting off. Made from ABS, PS, Silicone, and 304 Stainless Steel, it's durable, safe, and BPA-free. The double-wall insulation keeps beverages hot or cold for hours, with an IPX6 waterproof rating and a spill-proof base, making it practical for daily use. Intelligently designed with a magnetic USB charging port, it's easily recharged as it operates on low power (0.3W) and under 5V voltage. Perfect for coffee, tea, or protein shakes, this mug is both practical and stylish, an ideal companion for busy professionals, travelers, or anyone seeking a convenient and clean drinking experience. Specifications Capacity: 400ml Battery Capacity: 300mAh Material: ABS, PS, Silicone, 304 Stainless Steel Rated Power: 0.3W Rated Voltage: Condition: New Color: White Model: iPhone 16 Pro Max