[【BEST MATERIAL】Our 17oz coffee mug made of high quality food grade 304 stainless steelsleek and ruggedscratch resistantnon-stick interioreasy to clean.A double-layer design mug the exterior and side handle stay cool even after useand an ergonomic handlefor comfortable and safe handling. "【EASY TO USE】This heated coffee mug does not contain a built-in battery it needs to be connected PD charger with USB C cable.Built-in MCH ceramic heating element at the heated mug bottomheating speed is faster wont burn your hands.Place heated mug into the power coaster the warmer function will automatically startand features an auto-shut off function of 10 hour." 【LIGHT OFF/ON】Power coaster has a touch button sensor which turns the light off/onthe colorful rotating light up when the mug heating the white light is always on in the standby state. If a common 5V adapter is used will flash green light in standby mode. 【PERFECT TEMPERATURE】The self heating mug can keep your hot coffee tea or other beverage to about 60℃/140℉(without lid)~75℃/167℉(with lid).If the beverage is not hot enough when using please cover the lid for better effectcup lid keep hot liquids in the mug and help maintain the hot temperature for longer periods of time. "【YOU WILL GET】Heated Mug X1pc Cup Lid X1pc Power Coaster X1pc PD Charger X1pc 59in USB C Cable X1pc User Manual X1pc. Perfect personalized gifts for christmas birthday valentines day mothers dayfathers dayeaster giftsteacher daygraduation season."]