Description [3 Gear Constant Temperature Adjustment]: The coffee warmer is designed to maintain your drink at a constant temperature, providing a comfortable warmth to enjoy anytime. Features an LED display and adjustable temperatures of 45°C, 55°C, and 65°C with a control button. [Supports 95% of Cups]: Perfectly fits all types of cup bottoms for the most efficient heating service, supporting 95% of cups in various styles. For best heating performance, use a mug with a thin wall and a flat bottom. [Lightweight & COMPACT]: This lightweight beverage warmer can be used as a desk mug warmer, nightstand warmer, kitchen island warmer, or coffee table warmer. It's lightweight yet stays put on your desk, unlike other coffee warmers that slide on smooth surfaces. [Sleeker & MORE MINIMALIST]: No bulky design like other USB coffee mug warmers, making it an attractive coffee warmer for desk areas and other spaces. [Great Gift]: This is a gift that brings warmth. It's suitable for lovers, fathers, mothers, and all friends on special occasions like holidays to express your care. Product Name: Constant Temperature Coaster Power: 15W Voltage: 5V Control Method: Touch screen Product Gear Position: 3 gears adjustment (45°C/55°C/65°C) Power Supply Mode: USB Product Size: 110mm x 138mm Color: Dark Green Material: Ceramic+PP Package Contents: 1 * Desktop Insulation Coaster, 1 * Cup, 1 * USB Cable. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.