Brand New Name, Same Trusted Quality -Formerly LUMI, Zello continues to deliver award-winning sleep solutions loved by over 100,000 families. 20 Soothing Sounds - Choose from 20 sounds expertly designed to help settle your baby: 4 white noise sounds, 4 fan sounds and 12 natural sounds: Twinkle-Twinkle Little Star, Dreamy Skies Lullaby, Womb Heartbeat, Shushing, Hairdryer, Light Rain, Running Water, Ocean Waves, Thunderstorm, Birdsong, Crackling Bonfire, Train. Safe Volume Levels: Adjustable from 55–108 dB. For all-night use, we recommend a gentle level, similar to a soft shower (around 65 dB). Adjustable Night Light: Select from 3 warm light levels, perfect for nighttime feeds without disrupting sleep. Sleep Timer: Play continuously through the night or set a timer for 30, 60, or 90 minutes. Portable Design: Lightweight and compact, with a child-safe clip for easy attachment to pushchairs or car seats. USB Rechargeable: Enjoy up to 20 hours of playtime on a single charge, or use while plugged in.