HoMedics White Noise Sound Machine | Portable Sleep Therapy for Home, Office, Baby & Travel | 6 Relaxing & Soothing Nature Sounds, Battery or Adapter Charging Options, Auto-Off Timer | Sound Spa Blue 4.7 out of 5 stars 3,043 $21.99 - $36.57 source https://www.amazon.com/HoMedics-Portable-Relaxing-Soothing-Charging/dp/B07DDJFF1F/ref=zg_bs_3206325011_9/142-1393149-0089900?_encoding=UTF8&psc=1&refRID=P3AC3GW9WHC78YH57S4E
