This dirt cheap 4G LTE modem on a USB stick can be hacked to run mainline Linux - Liliputing
ALM - Squid Salmple USB Stick
Ovrdrive USB is an open-source, privacy-oriented USB flash drive that can self-destruct (Crowdfunding) - CNX Software
Rqw-02 3 In 1 Usb 2.0 Amp; 8 Pin Amp; Micro Usb 128gb Flash Drive, For Iphone Amp; Ipad Amp; Ipod Amp; Most Android Smartphones Amp; Pc Computer(red) | Fruugo NO
Amazon.com: Reiyin DA-02 DAC USB-A Digital to Analog Converter, 192khz 24bit USB to 3.5mm Audio Adapter with Analog and Optical Digital Output Mode - Red : Industrial & Scientific
Plantronics USB Adapter -02 [Model PLT-USBadapter-02(B) N10687 Z109] | eBay
Amazon.com: Plantronics 85117-02 Bluetooth USB Adapter,Black : Electronics
NOKIA 7M-02 Internet Stick 3G UMTS 900/2100 USB Data Card HSDPA MODEM – 4G discount
Amazon.com: Reiyin DA-02 DAC 192khz 24bit Audio Adapter with Optical Headset Output for PC PS4 Game devices - Gray : Electronics
Rqw-02 3 In 1 Usb 2.0 Amp; 8 Pin Amp; Micro Usb 128gb Flash Drive, For Iphone Amp; Ipad Amp; Ipod Amp; Most Android Smartphones Amp; Pc Computer(red) | Fruugo NO