The Vsitoo S3 Temperature Control Smart Mug is a game-changer for coffee lovers! Say goodbye to cold coffee at work with its Bluetooth capabilities that keep your coffee hot all day. Temperature control with Bluetooth capabilities to keep your coffee hot all day. Dot matrix display shows beverage temperature and mug mode, no need to rely on the app. Excellent customer service for quick issue resolution. Durable and high-quality design for long-lasting use. Battery-powered for wireless convenience. Perfect gift for coffee enthusiasts who want their coffee warm and ready all the time.