Raspberry Pi Micro-USB (M) to Type-A (F) OTG Adaptor

Rasberry-Pi-Micro-USB-M-to-Type-A-F-OTG-adaptor-Raspberry-Pi-SC0727-Adaptor-to-connect-standard-HDMI-peripherals-to-the-USB-OTG-on-the-go-port-Raspberry-Pi-Micro-USB-M-to-Type-A-F-OTG-Adaptor

Price: £ 1.30 from Rapid Online Rapid Electronics Ltd.