Learn how to make your own on-the-go (OTG) USB cable for pretty cheep or free if you have the supplies sitting around your house.
Turn any Data Cable into OTG Cable - How to make OTG cable
Make Your Own On-The-Go (OTG) USB Cable
What is USB OTG (On-The-Go): How to Make Your Own OTG Cable - Premium USB
SANOXY 2-in-1 Micro USB to USB Adapter (OTG Cable Plus Power Cable) SANOXY-VNDR-otg-Ycable - The Home Depot
What is USB OTG (On-The-Go): How to Make Your Own OTG Cable - Premium USB
Micro USB 2.0 OTG Cable, on The Go Adapter, male Micro USB to Female USB for LG G4,Samsung S6 Edge S4 S3 Android Smart Phones Tablets with OTG
iFi Audio USB 3.0 Type-C to USB Type-A OTG Cable - Gears For Ears
This Micro USB to USB OTG cable supports OTG (On-The-Go) function. This cable fits for smartphone to connect with other USB device such as USB flash driver, game controller keyboard, or use for extension usage.
Unitek OTG USB 2.0 AF Cable to Micro USB BM (Y-C438GBK)
Connect your USB On-the-Go capable tablet computer or Smartphone to USB 2.0 devices (thumb drives / USB mouse / keyboard etc.) Connect a thumb
StarTech.com 5in Micro USB to USB OTG Host Adapter - Micro USB Male to USB A Female On-The-GO Host Cable Adapter (UUSBOTG)