16 Sounds for Personalized SleepThe portable sound machine offers 16 soothing nature sounds, including ocean waves, rain, birds, fan sounds, and white noise, catering to various preferences and needs. These sounds effectively mask background noise, helping you fall asleep faster and stay asleep longer2X Battery Upgrade for Effortless TravelWe've listened to our users and increased our portable sound machine's battery capacity from 500mAh to 1000mAh, while most other products on the market remain at 500mAh. Charge once and enjoy tranquility from day to night, over multiple days. No more worrying about running out of power during your travels. (USB-C charging port allows use while charging)Powerful Sound, Blocks NoiseThe travel sound machine packs a powerful punch! Despite its small size, the sound quality is impressive. It delivers soothing, reliable sound quality that effectively aid sleep, relaxation, or ambiance creation. With precise volume control from 0 to 32 levels, customize it to your preference, whether in noisy hotels or with a snoring partnerEgg-sized, Ultra-portableEnjoy an egg-sized sound machine while traveling! The Pocket Sleep 1, compact as an egg at just 1.6 ounces(1.8 x 1.8 x 1.9 inches), fits easily into your pocket, carry-on, wallet, or briefcase. Perfect for travel, business trips, or campingEasy to Use in the DarkSay goodbye to complicated operations! Easily control it by pressing the nubbed button, making it effortless to find the power button in the dark. Additionally, the white noise machine comes with timer options and a memory function, making nighttime use incredibly convenient. Compact yet comprehensive, this white noise machine is your ultimate travel sleep companion. offers 24-hour customer support