{"product_id":"usb-cup-warmer-coaster-3-gear-thermostatic-mug-heater","title":"USB Cup Warmer Coaster – 3-Gear Thermostatic Mug Heater","description":"\n\u003ch2\u003eKeep Every Sip Perfectly Warm — Anywhere You Work\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHimist USB Heating Coaster\u003c\/strong\u003e is a compact, smart thermostatic hot plate designed to keep your coffee, tea, milk, or water at your ideal drinking temperature throughout the day. Built from premium \u003cstrong\u003ealuminum alloy and tempered glass\u003c\/strong\u003e, this sleek coaster plugs right into any DC 5V\/2A USB power source — perfect for your desk, home office, dormitory, or classroom.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cblockquote\u003e\n  \u003cstrong\u003e⚠️ Please Note:\u003c\/strong\u003e\n  \u003cul\u003e\n    \u003cli\u003ePackage includes the \u003cstrong\u003eheating coaster and USB cable only\u003c\/strong\u003e — accessories shown in demo images are \u003cem\u003enot\u003c\/em\u003e included.\u003c\/li\u003e\n    \u003cli\u003eThis product \u003cstrong\u003ekeeps beverages warm\u003c\/strong\u003e — it cannot boil water.\u003c\/li\u003e\n    \u003cli\u003eA USB power plug\/adapter is \u003cstrong\u003enot included\u003c\/strong\u003e. Please use a \u003cstrong\u003eDC 5V\/2A power plug\u003c\/strong\u003e for best performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e☕ \u003cstrong\u003e3-Gear Temperature Control\u003c\/strong\u003e — Touch the switch once for High (red indicator), again for Medium (blue indicator), and a third time for Low (green indicator).\u003c\/li\u003e\n  \u003cli\u003e🔒 \u003cstrong\u003eAuto Shut-Off Safety\u003c\/strong\u003e — Automatically powers down after 8 continuous hours of use for worry-free operation.\u003c\/li\u003e\n  \u003cli\u003e🪶 \u003cstrong\u003eUltra-Compact \u0026amp; Portable\u003c\/strong\u003e — At just 7×102mm, it slips easily into a bag and takes up minimal desk space.\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eUSB-Powered Convenience\u003c\/strong\u003e — Runs on DC 5V\/2A; compatible with laptop USB ports, power banks, and USB wall adapters.\u003c\/li\u003e\n  \u003cli\u003e✨ \u003cstrong\u003ePremium Materials\u003c\/strong\u003e — Aluminum alloy base and tempered glass surface for durability, easy cleaning, and a modern aesthetic.\u003c\/li\u003e\n  \u003cli\u003e🔁 \u003cstrong\u003eLong-Lasting \u0026amp; Reusable\u003c\/strong\u003e — Engineered for repeated daily use without degradation in performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHimist\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRY04\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy + Tempered Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 × 102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 2A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8–10W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTouch Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Gears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 (High \/ Medium \/ Low)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto shut-off after 8 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eGreat For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHome office and work-from-home setups\u003c\/li\u003e\n  \u003cli\u003eSchool dormitories and study desks\u003c\/li\u003e\n  \u003cli\u003eOffice cubicles and shared workspaces\u003c\/li\u003e\n  \u003cli\u003eAnyone who hates cold coffee or tea!\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/4-piece-silicone-cooking-spoons-heat-resistant-mixing-serving\"\u003e4-Piece Silicone Cooking Spoons – Heat-Resistant Mixing \u0026amp; Serving\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/silicone-espresso-knock-box-tamping-mat-gray\"\u003eFood Grade Silicone Espresso Knock Box \u0026amp; Tamping Mat – Gray\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-mode-dimmable-led-night-light-wall-socket-remote-control\"\u003e3-Mode Dimmable LED Night Light Wall Socket with Remote\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nutrition.gov\/topics\/shopping-cooking-and-food-safety\" target=\"_blank\" rel=\"noopener\"\u003eNutrition.gov on cooking and food safety\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the USB cup warmer coaster come with a power plug adapter?\u003c\/h4\u003e\n\u003cp\u003eA: No — the Himist USB heating coaster includes only the coaster unit and a USB cable. You will need to supply your own DC 5V\/2A USB power adapter (such as a phone charger or laptop USB port) to power the device. Using the correct voltage ensures optimal warming performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many temperature settings does the USB mug warmer have, and how do I switch between them?\u003c\/h4\u003e\n\u003cp\u003eA: The coaster features 3 gear temperature settings controlled by a touch switch. Tap once for the High gear (red LED), tap again for Medium gear (blue LED), and tap a third time for Low gear (green LED). A fourth tap turns the unit off. The LED indicators make it easy to see your current setting at a glance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the heating coaster safe to leave on at my desk all day?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the coaster includes a built-in auto shut-off feature that turns the unit off automatically after 8 hours of continuous use. This provides added peace of mind, especially if you forget to switch it off before leaving your desk.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What types of beverages and cups are compatible with this USB heating coaster?\u003c\/h4\u003e\n\u003cp\u003eA: The USB mug warmer is suitable for keeping coffee, tea, milk, water, and other beverages warm. It works with most standard mugs and cups with a flat base that rests on the 102mm tempered glass surface. Note that it maintains warmth — it cannot bring cold liquids to a boil.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the USB cup warmer coaster come with a power plug adapter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the Himist USB heating coaster includes only the coaster unit and a USB cable. You will need to supply your own DC 5V\/2A USB power adapter (such as a phone charger or laptop USB port) to power the device. 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