The Ui Plus Mug brings the Ui self-heating system to 18 fl oz capacity, ideal for coffee or tea. Crafted from ceramic, it combines volume with refined design. Paired with the Ohom Pad Max, Ui Plus offers infrared sensing and tap-control heating modes. The Ohom Pad Max also doubles as a wireless charging pad for phone or wireless device, bringing warmth, convenience, and function into one system. Specifications Keeps drinks warm at approximately 130°F / 55°C Three heating modes: Standard, High Heat, Max Heat Ohom Pad Max with infrared temperature sensing Tap control temperature adjustment Handcrafted ceramic Volume: 18 fl oz Wireless charging for phone and wireless device Dishwasher safe Mug Dishwasher safe Mug Ceramic 100%