Feature :

• ☕ 【Manual & App Control】 This self warming coffee mug has two methods of temperature control for you to choose from.You can adjust the temperature directly through the touch button on the smart travel coffee mug and the VSITOO APP on your phone. Temperature range: 96℉-149℉.The best drinking temperature for coffee is 131℉- 145℉ in summer and 140℉- 149℉in winter. You can customize the temperature to suit your needs anytime, anywhere.
• ❤ 【Excellent Battery Life】 This smart coffee thermos mug works with 2500Ah high-capacity polymer lithium battery, VSITOO S3 Pro smart mug can last 4-8 hours on a single full charge—or all day on the charging coaster, which keeps your coffee at the perfect temperature from the first sip to the last drop.