USB SD Card Reader, TSV Micro USB 2.0 OTG Adapter Memory Card Reader for SD/Micro SD/TF/SDXC/SDHC/MMC/RS-MMC/Microsdhc/Microsdxc, Camera Flash Card Reader Support Windows, Linux, Mac OS, Android - Walmart.com
4 types of USB OTG adapters to connect your guitar to mobile device (Android smartphone and tablet, iPad, iPhone) - Deplike - Guitar Amps & FX Pedals
USB-OTG-Adapter, Micro-USB-Stecker - USB-Buchse, USB 2.0, 480 Mbit/s | Hama
8in Micro USB to Mini USB OTG Cable M/M - USB Adapters (USB 2.0) | StarTech.com