1、
USB Key hardware locking is similar to using a hardware'dongle'to protect your program.
USB密匙硬件锁类似使用硬件(软件狗)来保护你的程序.
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2、
TTB 102 Bluetoothmodule was designed mainly for Bluetooth mouse and USB dongle.
TTB102蓝牙模块主要用于蓝牙鼠标和蓝牙USB适配器.
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