What type of plug adapter does a Whish require? May 12, 2020 15:50 The type of plug adapter needed is a USB Type-A, 5v DC power supply Related articles What are the electric power specs for your sound machines? Are the USB cables for the Rohm and/or Hushh units compatible with the adaptive fast charging power adapters? How do I set the timer on the Whish sound machine? Can I use a timer smart plug with my sound machine? My Hushh/Rohm/Travel Mini/Pocket Baby Soother will not turn on/off, and I have already made sure that the child lock is deactivated. How can I fix this?