Suggested Retail:$107. Cauldryn Coffee Smart Mug, Heated Travel Mug with 10 Hour Battery Life and Bluetooth App Temperature Control, 16 Ounce. The Cauldryn Coffee Smart Mug will keep your coffee or tea at the perfect temperature with its rechargeable battery that offers up to 10 hours of temperature control. The long-lasting battery and 16 ounce capacity make this mug ideal for road trips, days at the office or in a tree stand, and weekend campers. The Cauldryn Coffee Smart Mug pairs with the Cauldryn app via a Bluetooth connection. You can control the temperature of your beverage with the app, which offers preset temperatures for green tea, black tea, brewing coffee, boiling water, and cooking freeze dried food on the home screen. You can manually control the temperature of your coffee with the app’s custom dial control. Once you set the mug’s temperature, it will regulate automatically even if you disconnect your phone. The temperature can also be set using the buttons on the right side of the LCD display. The top button to the left of the display controls the power saving mode, and the bottom button toggles the temperature unit from Fahrenheit to Celsius. The battery and heating element are removable for easy cleaning; the mug is hand wash only. The battery power level is displayed through the procession of 4 lights under the power button on the battery. The Cauldryn Coffee Smart Mug offers plenty of heating power so you can enjoy your preferred beverage at the perfect temperature.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.