Premium Stainless Steel Construction: Crafted from food-grade 316 stainless steel, this electric coffee cup offers exceptional durability and temperature retention, ensuring your drinks stay hot or cold for longer periods. Versatile Removable Base: The innovative design of the removable base allows seamless compatibility with various tumblers, transforming this self-stirring coffee cup into a versatile tool for mixing and stirring beverages to perfection. Efficient Stirring Mechanism: Experience effortless mixing with the high-speed motor and magnetic rotor of this stainless steel self-stirring coffee cup, guaranteeing uniform blending for a consistently smooth and enjoyable drinking experience. Secure Leak-proof Design: Enjoy peace of mind on-the-go with the 360-degree leak-proof construction of this automatic magnetic stirring coffee cup, featuring a silicone sealing ring and reinforced lock to prevent spills and leaks during travel. Whisper-Quiet Operation: Delight in a tranquil blending experience with the low-noise motor of this self-stirring coffee mug, ensuring discreet operation without compromising on performance, making it ideal for use in any setting. Item Name: Mixing Cup Material: Stainless Steel Capacity: 420ml Built-in Battery: 400 MAh Power: 0.6W Charging Method: USB Charging Features: Versatile, Efficient Stirring, Whisper-Quiet Operation Size Details: L: 14.8cm/5.83", W: 8cm/3.15" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Electric Mixing Cup 1 x USB Charging Cable