DUAL FUNCTIONALITY: A compact warmer and 10W Qi wireless charging station in one—keeps your drink cozy while giving your compatible phone a power boost on the same sleek coaster, reducing cable clutter on any desk or nightstand. TEMPERATURE CONTROL: The touch display with a digital temperature readout lets you fine-tune heat instantly; maintain a comfortable sipping temperature for up to 6+ hours on a single charge so every sip stays just right throughout the day. WIRELESS CHARGING: Set your Qi-enabled smartphone on the integrated 10W pad to charge while the tumbler warms—a convenient 2-in-1 setup that powers essentials together without extra outlets, adapters, or tangled cables. PREMIUM DESIGN: 11.5-ounce, double-wall insulated stainless-steel tumbler in a sleek black finish; engineered for hot and cold beverages, with insulation that helps retain temperature while minimizing exterior condensation for everyday use. SMART FEATURES: Built-in battery for portable warmth, an easy-read temperature display, and intuitive tap controls—all in a compact footprint that moves effortlessly from kitchen to office to bedside, creating a tidy, all-in-one station when paired with the charging coaster. Elevate your on-the-go beverage experience with the Brookstone Travel Tumbler featuring an innovative warmer and charging station. This sophisticated black travel tumbler keeps your favorite hot drinks at the perfect temperature for up to 6 hours, ensuring you can savor every sip throughout your day. The intelligent design incorporates a wireless charging station, allowing you to power up your compatible smartphone while enjoying your beverage. The sleek charging coaster serves as both a warmer and a wireless charging pad, making it perfect for your desk or workspace. This dual-function travel tumbler system combines convenience with cutting-edge technology, making it an ideal choice for busy professionals and coffee enthusiasts alike. The thoughtfully engineered design maintains drink temperature without compromising on portability, while the wireless charging feature eliminates the need for extra cables on your desk. Whether you're in meetings, working from home, or tackling a busy day at the office, this travel tumbler system helps keep both your beverages hot and your devices powered up. Capacity: 11.5 oz