USB ports are ubiquitous on our electronic devices as a way to charge them and transfer data. But they're also an easy entry point for malware or other nasty viruses. 

USB接口在我们的电子设备中普遍存在，用来充电或者传输数据。但它也是恶意软件或者其他令人生厌的病毒的入口。

USB condom is a modified USB adapter that prevents data from being stolen or malware from being installed when a mobile device’s USB cable is plugged into a public charging station. 

USB安全套是一种改进过的USB适配器，当移动设备的USB连接线插进公用充电装置时，USB安全套可以防止数据被盗或被黑。