Brighten up a day at home or the office with the USB Heated Cup Coaster Made from high-quality walnut wood and metal heating materials Simply pop the USB cable into any 5V port such as your charger or computer Lightweight, portable and compact - great for taking on the go Suitable for most glass, ceramic and stainless steel cups - as well as baby bottles Heats your drink up to 80 degrees Celsius to keep it toasty all morning Choose from 2 colour options: dark wood or light wood Electric current: 1000mA Power: 5 W Voltage: 5 V Save 50% on the USB Heated Cup Coaster - pop the kettle on for only 9.99 pounds.