USB-powered hot and cold beverage coaster with semiconductor technology for home and office drinks

This USB-powered hot and cold coaster offers a compact solution for maintaining your preferred drink temperature throughout the day. Operating on just 10w of power from any DC5V USB source, it provides both heating and cooling functions through TEC semiconductor refrigeration technology. Measuring 152x31mm, the coaster fits conveniently on desks, countertops, or side tables and is suitable for various beverages including coffee, beer, wine, juice, and yogurt. Available in ivory white or noble black colour options, it combines functionality with practical design for home office or leisure use.

Features and Construction

The hot and cold coaster incorporates specialised technology and materials to deliver temperature control functionality in a compact form. This section details the technical specifications and construction elements that enable its dual heating and cooling capabilities.

Material and Build

Constructed from durable ABS plastic housing, the coaster features a tempered glass surface that provides both visual appeal and practical functionality. The tempered glass offers a smooth, cleanable surface while maintaining thermal conductivity to the beverage container above. Aluminium components within the device facilitate heat exchange between the semiconductor elements and the surface. This material combination ensures the coaster can withstand regular use while maintaining its temperature control capabilities.

Size and Practical Fit

With dimensions of 152x31mm, the coaster provides sufficient surface area for most standard cups, glasses, and mugs while maintaining a compact footprint. The 31mm height allows it to fit neatly under drink containers without creating instability. This size makes it suitable for placement on crowded desks, small side tables, or limited counter space. The compact dimensions also facilitate storage when not in use, taking up minimal space in drawers or cupboards.

Uses and Placement

The hot and cold coaster serves multiple beverage scenarios with its temperature control capabilities. This section explores practical applications and optimal placement for different usage situations.

Event or Professional Use

For professional settings or events, the coaster provides discreet temperature maintenance without bulky equipment. Its semiconductor technology operates quietly without disruptive compressor sounds, making it suitable for office environments, meetings, or reception areas. The USB power connection means it can be operated from laptop ports, power banks, or standard USB adapters, offering flexibility in various settings. The ability to maintain both hot and cold temperatures makes it versatile for different beverage preferences throughout professional gatherings or workdays.

Everyday Home Use

In home environments, the coaster offers convenience for leisurely beverage enjoyment. Whether keeping coffee warm during morning reading, maintaining beer temperature during sports viewing, or preventing juice from warming in family spaces, it serves multiple household needs. The simple USB connection allows placement anywhere with power access, from kitchen counters to bedside tables or patio furniture with portable power sources. Its suitability for various beverages including wine, yogurt, and other drinks makes it adaptable to different household members' preferences.

Benefits and Buying Value

The hot and cold coaster provides specific advantages through its technology and design choices. This section examines the practical benefits and value considerations for potential users.

Reuse and Low Maintenance

The coaster's construction from ABS plastic, tempered glass, and aluminium components contributes to durability and easy maintenance. The tempered glass surface can be wiped clean with a damp cloth, while the ABS plastic housing resists staining and wear. With no moving parts beyond the semiconductor elements, the device maintains functionality through repeated use without mechanical wear concerns. The USB power connection uses standard cables that are widely available and replaceable if needed.

Why Choose This Product

This hot and cold coaster offers specific advantages through its semiconductor technology, which provides both heating and cooling functions in a single compact device. Unlike separate warmers or coolers, it consolidates temperature control into one unit with minimal power consumption. The USB power operation increases placement flexibility compared to mains-only devices. The combination of practical size, multiple colour options, and beverage versatility makes it suitable for various settings from home offices to leisure spaces where maintaining preferred drink temperature enhances enjoyment.