Waterproof tempered glass construction with lid - Durable, waterproof tempered glass that is stylish and easy to clean. The premium material helps keep the mug in top condition with daily use, providing a reliable and safe option for coffee or tea. Smart heated mug kit with wireless charger - Cordless, rechargeable thermos maintains your beverage at approximately 131°F (55°C), so every sip stays warm from the first to the last. - Suitable for coffee, milk or ice cream, allowing you to enjoy your preferred beverage at the ideal temperature for hours. Compact and lightweight design - Easy to carry at home, in the office, or while traveling. A convenient companion for keeping drinks warm and charging devices wherever you are. Wireless charging function - Beyond insulation, the mug includes wireless charging capabilities. Charge your cell phone and other devices while you enjoy your hot beverage, making it a practical addition to any office or home setup. Use scenarios - Office desk or home workspace: keep your drink at a steady warm temperature while you work, with the added benefit of charging your phone. - Commute or travel: compact and portable design ensures you can maintain warmth on the go, with wireless charging for your device. - Home lounge or hotel room: enjoy a warm beverage and power up your devices in a single, convenient unit.