Promotional USB Mug Warmer, Easy Installation, Various Colors and Sizes Available
促销USB保温杯，易于安装，各种颜色和尺寸可用
- 促销USB保温杯，保持饮用温暖在40至50度。 C
- 安装方便，无需驱动程序，即插即用功能
- USB供电，无需电池
- 一个LED用于USB电源，另一个LED用于工作
- 带开/关开关
- 加热垫直径：76mm
- 额外的杯子设置为容易享受您的温暖的饮料/咖啡通过USB在工作时间也是一个很好的促销礼品
- Promotional USB mug warmers, keep drink warm at 40 to 50deg. C
- Easy installation, no driver required, plug-and-play function
- USB powered, no batteries needed
- With one LED for USB power and the other LED for working
- With on/off switch
- Heating pad diameter: 76mm
- With additional cup as set for easy enjoy your warm drink/coffee by USB during working time also an excellent promotional gifts
