Smart Touch USB Thermostatic Heating Coaster

Keep your coffee, tea, milk, and beverages at your desired drinking warmth with this Upgraded Smart Touch USB Thermostatic Heating Coaster (Model Rst-77). Designed for home, office desks, and mobile setups, this compact desktop warmer features 3 adjustable temperature settings—$55^\circ\text{C}$, $65^\circ\text{C}$, and $75^\circ\text{C}$—to maintain optimal liquid heat throughout the day.

Built with a durable ABS shell and a generous $100\text{ mm}$ heating surface plate (with an $80\text{ mm}$ effective inner layout diameter), it easily accommodates ceramic mugs, glass tea carafes, stainless steel tumblers, and boxed drinks. Powered by a flexible 5V/2A USB connection, it includes smart safety auto power-off, touch controls, and a unique 1-hour beep reminder function to prompt you to stay hydrated during long work sessions.

Key features and technical specifications include:

* 3-Speed Precision Temperature Control: Easily switch between $55^\circ\text{C}$, $65^\circ\text{C}$, and $75^\circ\text{C}$ using responsive touch controls to suit coffee, tea, or milk.

* 1-Hour Beep Hydration Reminder: Built-in acoustic timer emits a gentle beep every hour to remind you to take a drink and stay hydrated while working.

* Convenient USB Power (5V/2A): 10W low-power heating operates safely via USB adapters, power banks, or laptop ports for maximum portability.

* Automatic Power-Off & Global Certifications: Built-in automated shut-off safeguards prevent overheating; fully certified with CE, FCC, and RoHS standards for international cross-border trade.

* Product Specifications:

* Model: Rst-77

* Product Dimensions: $13 \times 11.8 \times 2.5\text{ cm}$ (Color Box: $15.3 \times 13.8 \times 3.1\text{ cm}$)

* Heating Plate Diameter: $100\text{ mm}$ (Layout Diameter: $80\text{ mm}$)

* Net/Gross Weight: $121\text{g}$ net ($173\text{g}$ with color box)

* Input Voltage & Power: 5V / 2A USB (10W Power)

* Material Build: Heat-Resistant ABS Housing

* Packing Quantity: 100 pcs / carton (Carton Dimensions: $70 \times 33 \times 32\text{ cm}$, Gross Weight: $\approx 19.3\text{kg}$)

* Available Options & Configurations:

* Girly Pink (Pink Edition): Upgraded 10W USB Touch Coaster (Pink) + Color Box Packaging

* Glacier White (White Edition): Upgraded 10W USB Touch Coaster (White) + Color Box Packaging

* Space Gray (Silver Edition): Upgraded 10W USB Touch Coaster (Silver/Gray) + Color Box Packaging

Whether placed on your workstation desk or gifted to colleagues, this smart touch mug warmer provides a safe, convenient, and cozy desktop solution.