The portable white noise sound machine is small enough to fit in your hand. If you travel and lug around a travel sound machine, this is an excellent alternative with favorable features: compact size, rechargeable battery, headphone jack, lanyard for hanging anywhere, 21 non-looping sounds, customized timers, 32 volume levels, and even memory functions.

• 2 x Battery Upgrade for Effortless Travel: Our portable sound machine's battery capacity to 2000mAh. It can be used both rechargeable( up to 52 hours for nature sounds (Medium Voice)on a single charge) and plugged in, which also has a 3.5mm headphone jack so you can use and enjoy it home and outdoors or on an airplane. Comes with a USB-C cord for charging
• 21 Soothing Sounds for Deep Sleep & Relaxation: Including white noise, pink noise, brown noise, fan sounds, and nature sounds like thunderstorm, Rain, campfire, bird chirp, cricket chirp, ocean wave, meditation, 2 lullaby, shush, fetal, brook, wind. This white noise machine promotes deep sleep and daily relaxation
• Loud to Drown Out Noise: This has 32 levels of volume and a robust 90 dB maximum, which can be adjustable to suit different environments and also loud enough helps block disruptive noises, help you improve sleep, focus on, office privacy, and meditation, perfer for home, office or travel
• Auto-off Timer or Continuous Play & Memory Function: As a sleep sound machine, it has 30/60/90minutes and 8hours auto-off timer or continuously play setting. Each time you restart the noise maker, it will remember your previous sound/volume/timer settings
• 2 x Battery Upgrade for Effortless Travel: Our portable sound machine's battery capacity to 2000mAh. It can be used both rechargeable( up to 52 hours for nature sounds (Medium Voice)on a single charge) and plugged in, which also has a 3.5mm headphone jack so you can use and enjoy it home and outdoors or on an airplane. Comes with a USB-C cord for charging
• 21 Soothing Sounds for Deep Sleep & Relaxation: Including white noise, pink noise, brown noise, fan sounds, and nature sounds like thunderstorm, Rain, campfire, bird chirp, cricket chirp, ocean wave, meditation, 2 lullaby, shush, fetal, brook, wind. This white noise machine promotes deep sleep and daily relaxation
• Loud to Drown Out Noise: This has 32 levels of volume and a robust 90 dB maximum, which can be adjustable to suit different environments and also loud enough helps block disruptive noises, help you improve sleep, focus on, office privacy, and meditation, perfer for home, office or travel
• Auto-off Timer or Continuous Play & Memory Function: As a sleep sound machine, it has 30/60/90minutes and 8hours auto-off timer or continuously play setting. Each time you restart the noise maker, it will remember your previous sound/volume/timer settings