VEVOR Sound Machine, 20 Soothing Sleep Sounds, 4-in-1 Hangable White Noise Sound Machine with Auto-Off Timer, Soft Ring Light, Memory Function and Child Lock, for Baby, Adults, Home, Office & Travel Multifunctional Sleep Aid Device Easy to Fall Asleep Soft Lighting Wireless Operation Versatile Use User-Friendly Design Number of Soothing Sounds: 18,Item Model Number: HFD-W30,Maximum Output Volume: 72 dB,Rated Power: 2.4 W,Lithium Battery: Single 18650 Cell, 3.7V / 1200mAh,Frequency Response: 180Hz–20kHz,Product Dimensions: 3.39 x 3.39 x 1.57 in / 86 x 86 x 40 mm,Net Weight: 0.33 lbs / 0.15 kg,Signal-to-Noise Ratio (SNR): ≥ 80 dB
