Amazon.com has the Dreamegg Portable White Noise Machine for $18.99 – 50% off w/coupon 6TVMPOMB = $9.49. Free Shipping w/$35+ Order or Amazon Prime. (Sold by Dreamegg Sounds, Fulfilled by Amazon)

Note: Prices on Amazon.com fluctuate regularly, and deals can expire anytime. Refer to the post time to see when it was listed.