Six soothing sleep sounds are built in, including streams and lullabies, on this portable mini noise machine to promote a restful night and reduce wakeful moments. Wireless charging convenience The Bluetooth speaker supports fast wireless charging with 15 W, 10 W, 5 W, and 5 W. Place on a compatible wireless charger for cable-free power and daily convenience. Portable Bluetooth noise for calm environments Relax with white noise and gentle thunder from this portable Bluetooth speaker to create a quiet, soothing atmosphere. Bluetooth connectivity enables easy pairing with devices such as smartphones, tablets, or laptops. Use scenarios - Bedtime at home or in a hotel: switch on soothing sounds to help everyone drift off more easily and reduce ambient disturbances. - Travel and on the go: compact, portable design makes it suitable for hotel rooms, trains, or flights where a calm backdrop is helpful. - Focused work or study: white noise can mask distractions and support concentration in office, dorm, or study spaces.