Coffee Mug Electric Warmer, 55 Constant Warm, USB Power Supply, Black - Intelligent Temperature Control, 3 Heat Settings, Perfect for Desk Use (Black)

[3 Temperature Settings]: Maintains Your Beverage at Ideal Drinking Temperatures of 50, 55, and 60 for Optimal Enjoyment Through Precise Heat Control
[Auto Shut Off]: Safety-First Design with 8 Hour Automatic Power Off Function to Prevent Overheating and Save Energy
[Temperature Memory]: Remembers Last Used Setting for Quick Heating and Consistent Warmth Across a Large Heating Surface
[Portable Design]: Ultra-Thin and Lightweight at Just 25.1oz, Easy to Carry and Fits Perfectly on Any Desk or Workspace
[Versatile Compatibility]: Suitable for Flat Water Cups, Ceramic Cups, Glass, Stainless Steel, Milk Bottles, and More for All-Day Beverage Warmth