This USB Silicone Warmer Pad will keep your drink hot. Just connect the USB to your computer or any 5V charger switch interface and it will start to generate heat.

Description:

• Power: 3.75W
• Voltage: DC 5V
• Current: 750MA
• Material: Silicone+Carbon fiber
• Size: 9x0.6cm/3.5x0.2 inches
• Helps to keep your coffee or tea hot
• Very convenient, and easy to operate
• Perfect for home or office use, a great gift idea too