Amazon.co.jp: Micro USB Converter Cable, CableCreation Micro USB to Micro USB Coiled Cable (0.17m to 1.2m), Spring Line Micro USB OTG Cable (Gold Plated Pin and Aluminum Shell), Compatible with Android Smartphones,
OTG Micro USB-B Micro USB-B male / USB-B-2.0 Male 30cm shielded cable - Audiophonics