Hushh is a portable, white noise machine which produces soothing sounds to mask disruptive noise and promote sleep for your baby. The consistent, calming sounds of the Hushh, white noise machine lulls your baby to sleep with 3 different sound options and stay asleep by cancelling out noises that might disturb. It is also portable for use anywhere due to its compact size, flexible attaching clip and USB charging cable Features: Conceals disturbing noise for improved sleep and concentration Three sound options;, bright white noise, deep white noise and gentle surf Portable rechargeable; compact size, flexible attaching clip and USB charging cable (included) Child lock and amber colored LED Nightlight for baby Guaranteed - One-Year limited factory warranty Size; 3.75" x 3.75" x 1.25" Feature Details Brand Yogasleep Mfg part # 4005100 UPC 036005405106 Warranty One year limited warranty Color White Weight (lbs) 0.42 Battery operated? Yes (batteries required) Batteries included? Yes Battery details (1) Lithium Ion Country of Manufacture China Travel / Portable Yes Alarm Clock No Radio No Bluetooth No Smartphone Compatibility iOS Android No No Sound Source Speaker # of sounds 3 Run Time(s) Continuous 30 min 60 min 90 min Yes No No No