Feature: 1. 8 MUSIC: White noise sound machine, featuring 8 calming sounds including white noise, ocean waves, rainforest, summer nights, bird sounds, and babbling brooks. 2. ADJUSTABLE SETTINGS: Whether you are studying, sleeping, or simply want to relax, our sound machine offers a variety of sounds to help you achieve the perfect ambiance. 3. MODERN DESIGN: Relax and unwind by placing our sleep machine bedside, providing you with personalized care. With its modern design and 4 anti slip handles. 4. PORTABLE: Noise machine is conveniently sized to be carried with you wherever you go, ensuring you can create a peaceful environment wherever you are. 5. AUTOMATIC SHUT OFF: Set the built in timer to automatically shut off after 30, 60, or 90 minutes, allowing you to fall asleep and maintain a peaceful sleep without worrying about turning it off. Specification: Item Type: White Noise Sound Machine Material: White Noise Sound Machine Product Model: JL C300 Characteristics: Rotary switch, volume adjustment 1%~100%, built in 8 independent music playback buttons, timer shutdown 30, 60, 90 minutes Battery Capacity: 1200mAh Lithium Battery (Shipped with built in battery) Usage Time: 30~60H Product Size: Approx. 140 x 140 x 45mm / 5.5 x 5.5 x 1.8in. Package List: 1 x White Noise Sound Machine 1 x Charging Cable1 x Manual