16 Soothing Sounds: Choose from 16 nature-inspired sounds including white noise, pink noise, mood music, lullabies, ocean waves, birdsong, gentle streams, rain showers, and night insect symphonies. Customize your auditory experience to match your mood and preferences. Timer & Memory Function: The travel sound machine for babies can play continuously or be set with a timer for 15, 30, or 45 minutes. It restarts with the last played sound, helping to relieve stress and anxiety, and promoting a calm and relaxed state. Sleep Night Light: This portable baby sound machine features a soothing warm night light with a soft, gentle breathing light, creating a calming and peaceful environment. Long Battery Life: Equipped with a built-in 900mAh rechargeable battery, it plays sounds continuously for up to 24 hours with the lights on and up to 38 hours with the lights off. Features USB C charging for a 1.5-hour quick charge. Connect your favorite headphones to the 3.5mm jack for private listening. Portable Design: Compact at 10x10x4.6cm and weighing 150g, this adult sound machine is small and portable with a lanyard. Easily fits in your backpack, handbag, or can be hung on a stroller. Additional Features: - 3 timer settings: 15, 30, and 60 minutes for energy saving. - Headphone jack for private listening. - Compact and portable for on-the-go use. Product Specifications: Sound Effects: 16 Natural Sounds Night Light: Soothing Glow Charging Time: 1.5 Hours Weight: 150g Diameter: 10cm Timer: 15, 30, 60 Minutes Headphone Jack: 3.5mm Power Supply: DC 5V/0.5A-1A Battery Life: Up to 24 Hours (lights on), Up to 38 Hours (lights off)