This Sound+Sleep SE ASM1005 has been tested and is in very good working condition. Minimal wear on the case. Comes the with adapter. Dual USB A charging ports, and 3.5 mm audio input and audio output headphone jacks. Measures: 4.25 x 7.5 x 5.5 inches Weight: 2 lbs. [Masks Noise] Environmental and nature tracks that can cancel out distracting sounds. Can help improve sleep, focus, privacy, and relaxation. [64 Non-Looping Sounds] 16 Categories to choose from with 4 richness options per category totaling to 64 unique sounds. Rich immersive sound categories include: Rainfall, Ocean, Brook, City, Baby, Rides, Home, Crowds, Meditate, Small Fan, Large Fan, White Noise, Pink Noise, Brown Noise, Waterfall, and Meadow [Adaptive Sound Technology] Technology that listens and adapts to your environment. It responds to the changes in sound and instantly adjusts the audio volume and mix. [Optional Timer] Use the timer or play all night. The timer gradually turns off after 30, 60, 90, or 120 minutes. The front panel automatically turns off for a distraction-free rest. [USB Ports Headphone Jacks] Dual USB A charging ports, and 3.5 mm audio input and audio output headphone jacks. Great for charging, listening to music, or private relaxation.