PopoIron Portable Sound Machine, in-ear Ultra Slim Mini White Noise Sound Machine with 17 Soothing Sounds for Adult Kid Baby,

Pocket Ultra Thin Portable: At just 0.63 inches thick (2.76 x 2.76 x 0.63 inches), it takes the crown as the slimmest white noise sound machine on the market, designed to fit in your pocket, it saves space and makes traveling a breeze
17 Non looping Sounds: This white noise machine includes white noise, green noise, pink noise, brown noise, fan, shushing, birds, rain, waves, insects, campfire, birds, streams, buddhist bell, lullaby, etc, compact size, variety of options
20 Levels Volume Control: Volume can be adjusted from 1 to 20, creating a soothing sleep ambiance and enhancing your listening experience Ideal for travel, sleep, naps, meditation, work, yoga, home, and hotel use, a good companion for you, your family, baby and children
Upgraded Speaker and Battery: Take your listening experience to the next level with our improved speaker, the upgraded built in battery of this sound machine now lasts up to 22 hours (at lowest volume) on just a 2.5 hours charge, providing extended usage for your convenience
Timer and Memory Function: This sound machine for sleep plays in 4 modes (30/60/90/∞ mins), it automatically remembers the last sound and volume setting, making it easy to use
What You Get: Portable sound machine (rechargeable for wireless use), type C charging cable (compatible with power banks, laptops, or adapters), user guide, and lifetime 12 hour after sales service