* 【Patented Heating Tech】With a patented heating technology, it can heat without coaster. When no water, the mug will automatically stop heating for safety. This smart coffee thermos mug works with 4000Ah high-capacity polymer lithium battery, OTKAX smart mug can last 4-8 hours, It can keep the drink warm all day long when on the charging coaster, The heating temperature range is 95-149℉. Keep Your Coffee Temperature Constant, keeps your coffee hot for hours.
* 【Humanized Design】We are motivated to create and manufacture well-designed and top quality products. Temperature Control Mug has a net capacity of 12oz, it is made of food grade stainless steel and inner wall of ceramic mug, The inner wall of the cup will never be scratched, never peel off. Safe to hand wash, you can wash your cup easier by hand. we increased the waterproof rating of the mug to IPX6, safe and reliable.
* 【App-Controlled】This Smart Mug has an on/off time preset function on APP. This self warming coffee m

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